@prefix : <http://emmo.info/emmo> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix emmo: <http://emmo.info/emmo#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

emmo:EMMO_0329f1f5_8339_4ce4_8505_a264c6d606ba a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Velocity" ;
    emmo:EMMO_50c298c2_55a2_4068_b3ac_4e948c33181f "http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=113-01-32" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 """Vector quantity giving the rate of change of a position vector.

-- ISO 80000-3"""@en ;
    emmo:EMMO_8de5d5bf_db1c_40ac_b698_095ba3b18578 "3‑10.1" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-1 L+1 M0 I0 Θ0 N0 J0" ;
    rdfs:comment """The velocity depends on the choice of the reference frame. Proper transformation between frames must be used: Galilean for non-relativistic description, Lorentzian for relativistic description.

-- IEC, note 2"""@en,
        """The velocity is related to a point described by its position vector. The point may localize a particle, or be attached to any other object such as a body or a wave.

-- IEC, note 1"""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_8ef3cd6d_ae58_4a8d_9fc0_ad8f49015cd0 ;
            owl:someValuesFrom emmo:EMMO_2ff07b07_c447_490f_903a_f6a72a12d7bf ],
        emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Velocity"@en .

emmo:EMMO_048a14e3_65fb_457d_8695_948965c89492 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_f8a2fe9f_458b_4771_9aba_a50e76afc52d ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "Δ" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "Laplacian"@en .

emmo:EMMO_04b3300c_98bd_42dc_a3b5_e6c29d69f1ac a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/MoleFraction" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Mole_fraction" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "The amount of a constituent divided by the total amount of all constituents in a mixture."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_e55f2d7c_9893_48cd_b4a4_fdf38253bd20 "http://www.ontology-of-units-of-measure.org/resource/om-2/AmountOfSubstanceFraction" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.A00296" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_f76f5a24_d703_4e8c_b368_f9a7777cb73a ;
            owl:onProperty emmo:EMMO_67fc0a36_8dcb_4ffa_9a43_31074efa3296 ],
        emmo:EMMO_faab3f84_e475_4a46_af9c_7d249f0b9aef ;
    skos:altLabel "MoleFraction"@en ;
    skos:prefLabel "AmountFraction"@en .

emmo:EMMO_04cc9451_5306_45d0_8554_22cee4d6e785 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Inductance" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Inductance" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A property of an electrical conductor by which a change in current through it induces an electromotive force in both the conductor itself and in any nearby conductors by mutual inductance."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+2 M+1 I-2 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.M04076" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:altLabel "Inductance"@en ;
    skos:prefLabel "ElectricInductance"@en .

emmo:EMMO_04cf0295_3e8f_4693_a87f_3130d125cf05 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Weight" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Weight" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+1 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.W06668" ;
    rdfs:comment "Force of gravity acting on a body."@en ;
    rdfs:subClassOf emmo:EMMO_1f087811_06cb_42d5_90fb_25d0e7e068ef ;
    skos:prefLabel "Weight"@en .

emmo:EMMO_050b47b6_2583_43f7_95eb_a216b41cd5f6 a owl:AsymmetricProperty,
        owl:FunctionalProperty,
        owl:IrreflexiveProperty,
        owl:ObjectProperty ;
    rdfs:domain emmo:EMMO_25a3da5e_eab1_42dd_8081_61dd09d34e1b ;
    rdfs:range emmo:EMMO_42fc460a_4bf3_4d0b_8dee_3c7efcefebb5 ;
    rdfs:subPropertyOf emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
    skos:prefLabel "hasSpatialLast"@en .

emmo:EMMO_07de47e0_6bb6_45b9_b55a_4f238efbb105 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/AtomicNumber" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Atomic_number" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "Number of protons in an atomic nucleus."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.A00499" ;
    rdfs:subClassOf emmo:EMMO_ba882f34_0d71_4e4f_9d92_0c076c633a2c ;
    skos:prefLabel "AtomicNumber"@en .

emmo:EMMO_09007bc0_b5f2_4fb9_af01_caf948cf2044 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_8681074a_e225_4e38_b586_e85b0f43ce38 ;
    skos:prefLabel "Java"@en .

emmo:EMMO_0a318776_b067_4de0_a2a6_cba2cf6333f8 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_48716718_225f_4c88_89e2_d819d30c90a2,
        emmo:EMMO_a1083d0a_c1fb_471f_8e20_a98f881ad527 ;
    owl:equivalentClass [ a owl:Class ;
            owl:intersectionOf ( emmo:EMMO_48716718_225f_4c88_89e2_d819d30c90a2 emmo:EMMO_a1083d0a_c1fb_471f_8e20_a98f881ad527 ) ] ;
    skos:prefLabel "IdiomaticSymbol"@en .

emmo:EMMO_0a88be81_343d_4388_92c1_09228ff95ada a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Probability is a dimensionless quantity that can attain values between 0 and 1; zero denotes the impossible event and 1 denotes a certain event."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.P04855" ;
    rdfs:comment "The propability for a certain outcome, is the ratio between the number of events leading to the given outcome and the total number of events."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_5ebd5e01_0ed3_49a2_a30d_cd05cbe72978 ;
            owl:onProperty emmo:EMMO_67fc0a36_8dcb_4ffa_9a43_31074efa3296 ],
        emmo:EMMO_faab3f84_e475_4a46_af9c_7d249f0b9aef ;
    skos:prefLabel "Probability"@en .

emmo:EMMO_0b6ebe5a_0026_4bef_a1c1_5be00df9f98e a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A relation which makes a non-equal comparison between two numbers or other mathematical expressions."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "f(x) > 0"@en ;
    rdfs:subClassOf emmo:EMMO_88470739_03d3_4c47_a03e_b30a1288d50c ;
    skos:prefLabel "Inequality"@en .

emmo:EMMO_0ef4ff4a_5458_4f2a_b51f_4689d472a3f2 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_0c576e13_4ee7_4f3d_bfe9_1614243df018 ;
    skos:prefLabel "Curve"@en .

emmo:EMMO_10dd1eed_da7d_45a3_860c_477ca9e152aa a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Nanomaterials are Materials possessing all external dimension measuring 1-100nm"@en ;
    rdfs:subClassOf emmo:EMMO_5d659e25_a508_43ed_903c_3707c7c7cd4b ;
    skos:prefLabel "NanoParticle"@en .

emmo:EMMO_12d4ba9b_2f89_4ea3_b206_cd376f96c875 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Heat" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+2 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.H02752" ;
    rdfs:comment "Heat is energy in transfer to or from a thermodynamic system, by mechanisms other than thermodynamic work or transfer of matter."@en ;
    rdfs:subClassOf emmo:EMMO_31ec09ba_1713_42cb_83c7_b38bf6f9ced2 ;
    skos:prefLabel "Heat"@en .

emmo:EMMO_15d62b55_38ea_4aec_b7c4_25db1a2e5a01 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Unit for dimensionless units that cannot be expressed as a 'FractionUnit'."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Unit of AtomicNumber"@en ;
    rdfs:subClassOf emmo:EMMO_5ebd5e01_0ed3_49a2_a30d_cd05cbe72978 ;
    owl:disjointWith emmo:EMMO_c2f5ee66_579c_44c6_a2e9_fa2eaa9fa4da ;
    skos:prefLabel "PureNumberUnit"@en .

emmo:EMMO_16f2fe60_2db7_43ca_8fee_5b3e416bfe87 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/MassConcentration" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Mass_concentration_(chemistry)" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L-3 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.M03713" ;
    rdfs:comment "Mass of a constituent divided by the volume of the mixture."@en ;
    rdfs:subClassOf emmo:EMMO_06448f64_8db6_4304_8b2c_e785dba82044 ;
    skos:prefLabel "MassConcentration"@en .

emmo:EMMO_176cae33_b83e_4cd2_a6bc_281f42f0ccc8 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/constant/AvogadroConstant" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """The number of constituent particles, usually atoms or molecules, that are contained in the amount of substance given by one mole.

It defines the base unit mole in the SI system."""@en ;
    emmo:EMMO_a9b3d04c_7ceb_40a2_b8d3_28d514a770a8 "https://physics.nist.gov/cgi-bin/cuu/Value?na" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N-1 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.A00543" ;
    rdfs:comment "The DBpedia definition (http://dbpedia.org/page/Avogadro_constant) is outdated as May 20, 2019. It is now an exact quantity."@en ;
    rdfs:subClassOf emmo:EMMO_f2ca6dd0_0e5f_4392_a92d_cafdae6cfc95 ;
    skos:prefLabel "AvogadroConstant"@en .

emmo:EMMO_18d180e4_5e3e_42f7_820c_e08951223486 a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom xsd:double ;
            owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ],
        [ a owl:Restriction ;
            owl:onDataRange xsd:double ;
            owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ;
            owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ],
        emmo:EMMO_21f56795_ee72_4858_b571_11cfaa59c1a8 ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ;
            owl:someValuesFrom xsd:double ] ;
    skos:prefLabel "Real"@en .

emmo:EMMO_1a179ce4_3724_47f8_bee5_6292e3ac9942 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/ElectricDipoleMoment" ;
    emmo:EMMO_50c298c2_55a2_4068_b3ac_4e948c33181f "http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=121-11-35",
        "http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=121-11-36" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Electric_dipole_moment" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An electric dipole, vector quantity of magnitude equal to the product of the positive charge and the distance between the charges and directed from the negative charge to the positive charge."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T+1 L+1 M0 I+1 Θ0 N0 J0" ;
    emmo:EMMO_e55f2d7c_9893_48cd_b4a4_fdf38253bd20 "http://www.ontology-of-units-of-measure.org/resource/om-2/ElectricDipoleMoment" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.E01929" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "ElectricDipoleMoment"@en .

emmo:EMMO_1da53c06_9577_4008_8652_272fa3b62be7 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Graphical' that stands for a real world object that shows a recognizable pictorial pattern without being necessarily associated to a symbolic language."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """A drawing of a cat.
A circle on a paper sheet.
The Mona Lisa."""@en ;
    rdfs:subClassOf emmo:EMMO_c74da218_9147_4f03_92d1_8894abca55f3 ;
    skos:prefLabel "Pictorial"@en .

emmo:EMMO_1e7603a7_1365_49b8_b5e5_3711c8e6b904 a owl:Class ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Vergence" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L-1 M0 I0 Θ0 N0 J0" ;
    rdfs:comment "In geometrical optics, vergence describes the curvature of optical wavefronts."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Vergence"@en .

emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc a owl:AnnotationProperty ;
    rdfs:comment "URL to corresponing entity in QUDT."@en ;
    rdfs:range xsd:anyURI ;
    rdfs:seeAlso "http://www.qudt.org/2.1/catalog/qudt-catalog.html"^^xsd:anyURI ;
    rdfs:subPropertyOf rdfs:seeAlso ;
    skos:prefLabel "qudtEntry"@en .

emmo:EMMO_20ff3b34_c864_4936_8955_9345fc0a3b3c a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "3-dimensional array who's spatial direct parts are matrices."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:someValuesFrom emmo:EMMO_1cba0b27_15d0_4326_933f_379d0b3565b6 ],
        emmo:EMMO_28fbea28_2204_4613_87ff_6d877b855fcd ;
    skos:altLabel "3DArray"@en ;
    skos:prefLabel "Array3D"@en .

emmo:EMMO_21ae69b4_235e_479d_8dd8_4f756f694c1b a owl:AnnotationProperty ;
    rdfs:subPropertyOf rdfs:comment ;
    owl:deprecated "Replaced by skos:altLabel" ;
    skos:prefLabel "altLabel"@en .

emmo:EMMO_223d9523_4169_4ecd_b8af_acad1215e1ff a owl:Class ;
    rdfs:subClassOf emmo:EMMO_3c424d37_cf62_41b1_ac9d_a316f8d113d6 ;
    skos:prefLabel "Exponent"@en .

emmo:EMMO_22522299_4091_4d1f_82a2_3890492df6db a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An experiment is a process that is intended to replicate a physical phenomenon in a controlled environment."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_ae2d1a96_bfa1_409a_a7d2_03d69e8a125a ;
            owl:someValuesFrom emmo:EMMO_314d0bd5_67ed_437e_a609_36d46147cea7 ],
        emmo:EMMO_10a5fd39_06aa_4648_9e70_f962a9cb2069 ;
    skos:prefLabel "Experiment"@en .

emmo:EMMO_24b30ba4_90f4_423d_93d2_fd0fde349087 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A real matrix with shape 4x3."@en ;
    rdfs:subClassOf emmo:EMMO_1cba0b27_15d0_4326_933f_379d0b3565b6 ;
    skos:prefLabel "Shape4x3Matrix"@en .

emmo:EMMO_25f5ca8e_8f7f_44d8_a392_bd3fe8894458 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9268958f_7f54_48ab_a693_febe2645892b ;
    skos:prefLabel "Plane"@en .

emmo:EMMO_27367073_ed8a_481a_9b07_f836dfe31f7f a owl:Class ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "The mass of an atom in the ground state."@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Atomic_mass" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.A00496" ;
    rdfs:comment "Since the nucleus account for nearly all of the total mass of atoms  (with the electrons and nuclear binding energy making minor contributions), the atomic mass measured in Da has nearly the same value as the mass number."@en,
        "The atomic mass is often expressed as an average of the commonly found isotopes."@en ;
    rdfs:subClassOf emmo:EMMO_ed4af7ae_63a2_497e_bb88_2309619ea405 ;
    skos:prefLabel "AtomicMass"@en .

emmo:EMMO_27c530c4_dfcd_486e_b324_54ad4448cd26 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/ANGSTROM" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/%C3%85ngstr%C3%B6m" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "Measure of length defined as 1e-10 metres."@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Angstrom" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.N00350" ;
    rdfs:comment """Ångström is not mentioned in the SI system and deprecated by the International Bureau of Weights and Measures (BIPM).

Dispite of that, it is often used in the natural sciences and technology."""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "Å" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_b3600e73_3e05_479d_9714_c041c3acf5cc ],
        emmo:EMMO_216f448e_cdbc_4aeb_a529_7a5fe7fc38bb,
        emmo:EMMO_591e02fd_8d37_45a6_9d11_bb21cef391a0 ;
    skos:altLabel "Angstrom"@en ;
    skos:prefLabel "Ångström"@en .

emmo:EMMO_297999d6_c9e4_4262_9536_bd524d1c6e21 a owl:ObjectProperty ;
    rdfs:range emmo:EMMO_0cd58641_824c_4851_907f_f4c3be76630c ;
    rdfs:subPropertyOf emmo:EMMO_60577dea_9019_4537_ac41_80b0fb563d41 ;
    skos:prefLabel "hasIndex"@en .

emmo:EMMO_2a9fcd79_bc67_4b1a_8e64_9dfe505a0007 a owl:AsymmetricProperty,
        owl:FunctionalProperty,
        owl:IrreflexiveProperty,
        owl:ObjectProperty ;
    rdfs:domain emmo:EMMO_25a3da5e_eab1_42dd_8081_61dd09d34e1b ;
    rdfs:range emmo:EMMO_42fc460a_4bf3_4d0b_8dee_3c7efcefebb5 ;
    rdfs:subPropertyOf emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
    skos:prefLabel "hasSpatialFirst"@en .

emmo:EMMO_2b1303e8_d4c3_453b_9918_76f1d009543f a owl:Class ;
    rdfs:subClassOf emmo:EMMO_707f0cd1_941c_4b57_9f20_d0ba30cd6ff3 ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "*" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "Multiplication"@en .

emmo:EMMO_3397f270_dfc1_4500_8f6f_4d0d85ac5f71 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An atom_based state defined by an exact number of e-bonded atomic species and an electron cloud made of the shared electrons."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "H20, C6H12O6, CH4"@en ;
    rdfs:comment """An entity is called essential if removing one direct part will lead to a change in entity class.

An entity is called redundand if removing one direct part will not lead to a change in entity class."""@en,
        """This definition states that this object is a non-periodic set of atoms or a set with a finite periodicity.

Removing an atom from the state will result in another type of atom_based state.

e.g. you cannot remove H from H20 without changing the molecule type (essential). However, you can remove a C from a nanotube (redundant). C60 fullerene is a molecule, since it has a finite periodicity and is made of a well defined number of atoms (essential). A C nanotube is not a molecule, since it has an infinite periodicity (redundant)."""@en ;
    rdfs:subClassOf emmo:EMMO_5b2222df_4da6_442f_8244_96e9e45887d1 ;
    skos:prefLabel "Molecule"@en .

emmo:EMMO_39362460_2a97_4367_8f93_0418c2ac9a08 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_0ab0485c_9e5b_4257_a679_90a2dfba5c7c ;
    skos:prefLabel "Point"@en .

emmo:EMMO_3995e22d_5720_4dcf_ba3b_d0ce03f514c6 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A soft, solid or solid-like colloid consisting of two or more components, one of which is a liquid, present in substantial quantity."@en ;
    rdfs:subClassOf emmo:EMMO_6c487fb3_03d1_4e56_91ed_c2e16dcbef60,
        emmo:EMMO_a2b006f2_bbfd_4dba_bcaa_3fca20cd6be1 ;
    skos:prefLabel "Gel"@en .

emmo:EMMO_3b931698_937e_49be_ab1b_36fa52d91181 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/MagneticFlux" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Magnetic_flux" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Measure of magnetism, taking account of the strength and the extent of a magnetic field."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+2 M+1 I-1 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.M03684" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "MagneticFlux"@en .

emmo:EMMO_3c218fbe_60c9_4597_8bcf_41eb1773af1f a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Physical' with no 'Massive' parts."@en ;
    rdfs:subClassOf emmo:EMMO_70dac51e_bddd_48c2_8a98_7d8395e91fc2 ;
    owl:equivalentClass [ a owl:Class ;
            owl:intersectionOf ( emmo:EMMO_70dac51e_bddd_48c2_8a98_7d8395e91fc2 [ a owl:Class ;
                        owl:complementOf emmo:EMMO_5b2222df_4da6_442f_8244_96e9e45887d1 ] ) ] ;
    skos:prefLabel "Vacuum"@en .

emmo:EMMO_3df10765_f6ff_4c9e_be3d_10b1809d78bd a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/DoseEquivalent" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Energy" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A dose quantity used in the International Commission on Radiological Protection (ICRP) system of radiological protection."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+2 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.E02101" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "DoseEquivalent"@en .

emmo:EMMO_3e309118_e8b7_4021_80f4_642d2df65d94 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_0c576e13_4ee7_4f3d_bfe9_1614243df018 ;
    skos:prefLabel "Line"@en .

emmo:EMMO_3ecff38b_b3cf_4a78_b49f_8580abf8715b a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-2 L+2 M+1 I0 Θ-1 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "EntropyDimension"@en .

emmo:EMMO_4091d5ec_a4df_42b9_a073_9a090839279f a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Enthalpy" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Enthalpy" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+2 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.E02141" ;
    rdfs:comment "Measurement of energy in a thermodynamic system."@en ;
    rdfs:subClassOf emmo:EMMO_31ec09ba_1713_42cb_83c7_b38bf6f9ced2 ;
    skos:prefLabel "Enthalpy"@en .

emmo:EMMO_40e18c93_a1b5_49ff_b06a_d9d932d1fb65 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An emulsion is a mixture of two or more liquids that are normally immiscible (a liquid-liquid heterogeneous mixture)."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Mayonnaise, milk."@en ;
    rdfs:subClassOf emmo:EMMO_6c487fb3_03d1_4e56_91ed_c2e16dcbef60,
        emmo:EMMO_7509da43_56b1_4d7f_887a_65d1663df4ba ;
    skos:prefLabel "Emulsion"@en .

emmo:EMMO_432192c4_111f_4e80_b7cd_c6ce1c1129ea a owl:Class ;
    rdfs:subClassOf emmo:EMMO_a1083d0a_c1fb_471f_8e20_a98f881ad527 ;
    skos:prefLabel "Spacing"@en .

emmo:EMMO_4354ac74_7425_43ab_92e4_6dc19d1afee9 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A type of sol in the form of one solid dispersed in liquid."@en ;
    rdfs:subClassOf emmo:EMMO_31557fae_b039_491c_bcbb_0ccb8711d5a6,
        emmo:EMMO_7509da43_56b1_4d7f_887a_65d1663df4ba ;
    skos:prefLabel "LiquidSol"@en .

emmo:EMMO_43776fc9_d712_4571_85f0_72183678039a a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Momentum" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Momentum" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-1 L+1 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.M04007" ;
    rdfs:comment "Product of mass and velocity."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Momentum"@en .

emmo:EMMO_4456a5d2_16a6_4ee1_9a8e_5c75956b28ea a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A physics-based model based on a physics equation describing the behaviour of continuum volume."@en ;
    rdfs:subClassOf emmo:EMMO_b29fd350_39aa_4af7_9459_3faa0544cba6 ;
    skos:prefLabel "ContinuumModel"@en .

emmo:EMMO_44fc8c60_7a9c_49af_a046_e1878c88862c a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/constant/ElectronMass" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Electron_rest_mass" ;
    emmo:EMMO_a9b3d04c_7ceb_40a2_b8d3_28d514a770a8 "https://physics.nist.gov/cgi-bin/cuu/Value?me" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.E02008" ;
    rdfs:comment "The rest mass of an electron."@en ;
    rdfs:subClassOf emmo:EMMO_3f15d200_c97b_42c8_8ac0_d81d150361e2,
        emmo:EMMO_ed4af7ae_63a2_497e_bb88_2309619ea405 ;
    skos:prefLabel "ElectronMass"@en .

emmo:EMMO_463bcfda_867b_41d9_a967_211d4d437cfb a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An 'observation' that results in a quantitative comparison of a 'property' of an 'object' with a standard reference."@en ;
    emmo:EMMO_bb49844b_45d7_4f0d_8cae_8e552cbc20d6 "measurement"@en ;
    rdfs:comment """A measurement is the process of experimentally obtaining one or more measurement results that can reasonably be attributed to a quantity.

-- VIM"""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_ae2d1a96_bfa1_409a_a7d2_03d69e8a125a ;
            owl:someValuesFrom emmo:EMMO_7dea2572_ab42_45bd_9fd7_92448cec762a ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_ae2d1a96_bfa1_409a_a7d2_03d69e8a125a ;
            owl:someValuesFrom emmo:EMMO_0f6f0120_c079_4d95_bb11_4ddee05e530e ],
        emmo:EMMO_10a5fd39_06aa_4648_9e70_f962a9cb2069 ;
    skos:prefLabel "Measurement"@en .

emmo:EMMO_46d5643b_9706_4b67_8bea_ed77d6026539 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_707f0cd1_941c_4b57_9f20_d0ba30cd6ff3 ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "-" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "Minus"@en .

emmo:EMMO_494b372c_cfdf_47d3_a4de_5e037c540de8 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An engineered object which is instrumental for reaching a particular purpose through its characteristic functioning process, with particular reference to mechanical or electronic equipment."@en ;
    rdfs:comment """From Old French "deviser", meaning: arrange, plan, contrive.

Literally "dispose in portions," from Vulgar Latin "divisare", frequentative of Latin dividere, meaning "to divide\""""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_c5aae418_1622_4d02_93c5_21159e28e6c1 ] ;
            owl:someValuesFrom emmo:EMMO_8786cb47_8e1f_4968_9b15_f6d41fc51252 ],
        emmo:EMMO_86ca9b93_1183_4b65_81b8_c0fcd3bba5ad ;
    skos:prefLabel "Device"@en .

emmo:EMMO_498aad49_f8d4_40a4_a9eb_efd563a0115f a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A suspension of liquid droplets dispersed in a gas through an atomization process."@en ;
    rdfs:subClassOf emmo:EMMO_e0edfb9e_9a96_4fae_b942_831ffe27b84a ;
    skos:prefLabel "Spray"@en .

emmo:EMMO_499e24a5_5072_4c83_8625_fe3f96ae4a8d a owl:AsymmetricProperty,
        owl:IrreflexiveProperty,
        owl:ObjectProperty ;
    rdfs:domain emmo:EMMO_e0954911_fc88_492a_9830_fdb238e28cc2 ;
    rdfs:range emmo:EMMO_e0954911_fc88_492a_9830_fdb238e28cc2 ;
    rdfs:subPropertyOf emmo:EMMO_52d08d7d_e9e4_43e5_8508_d353e7e3a23a ;
    skos:prefLabel "hasTemporalNext"@en .

emmo:EMMO_4a27950a_0d31_4175_bd4e_14995aa94702 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/M-PER-SEC" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "SI coherent measurement unit for speed."@en ;
    emmo:EMMO_e55f2d7c_9893_48cd_b4a4_fdf38253bd20 "http://www.ontology-of-units-of-measure.org/resource/om-2/metrePerSecond-Time" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_f84792eb_ec64_4a6b_941f_c9f3e9ef052c ],
        emmo:EMMO_1273eb34_de48_43a9_925f_104110469dd2 ;
    skos:prefLabel "MetrePerSecond"@en .

emmo:EMMO_4b3afb22_27cf_4ce3_88bc_492bfccb546b a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Perceptual' which stands for a real world object whose spatiotemporal pattern makes it identifiable by an observer as a sound."@en ;
    rdfs:comment "'acoustical' refers to the perception mechanism of the observer that can occur through a microphone, a ear."@en ;
    rdfs:subClassOf emmo:EMMO_649bf97b_4397_4005_90d9_219755d92e34 ;
    skos:prefLabel "Acoustical"@en .

emmo:EMMO_4bc29b0f_8fcc_4026_a291_f9774a66d9b8 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A function defined using functional notation."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "y = f(x)"@en ;
    rdfs:subClassOf emmo:EMMO_29afdf54_90ae_4c98_8845_fa9ea3f143a8 ;
    skos:prefLabel "FunctionDefinition"@en .

emmo:EMMO_4c151909_6f26_4ef9_b43d_7c9e9514883a a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/PotentialEnergy" ;
    emmo:EMMO_50c298c2_55a2_4068_b3ac_4e948c33181f "http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=113-03-48" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Potential_energy" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The energy possessed by a body by virtue of its position or orientation in a potential field."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+2 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_e55f2d7c_9893_48cd_b4a4_fdf38253bd20 "http://www.ontology-of-units-of-measure.org/resource/om-2/PotentialEnergy" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.P04778" ;
    rdfs:subClassOf emmo:EMMO_31ec09ba_1713_42cb_83c7_b38bf6f9ced2 ;
    skos:prefLabel "PotentialEnergy"@en .

emmo:EMMO_4d604a13_d1f6_42fd_818f_d3138d5e308c a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A liquid aerosol composed of water droplets in air or another gas."@en ;
    rdfs:subClassOf emmo:EMMO_94010cbc_c2a6_4cb9_b29a_83aa99d2ff70 ;
    skos:prefLabel "Vapor"@en .

emmo:EMMO_4f2d3939_91b1_4001_b8ab_7d19074bf845 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Voltage" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Voltage" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Energy required to move a unit charge through an electric field from a reference point."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-3 L+2 M+1 I-1 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.A00424" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:altLabel "Voltage"@en ;
    skos:prefLabel "ElectricPotential"@en .

emmo:EMMO_4f5c7c54_1c63_4d17_b12b_ea0792c2b187 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-1 L+1 M0 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_f84792eb_ec64_4a6b_941f_c9f3e9ef052c ;
    skos:prefLabel "SpeedDimension"@en .

emmo:EMMO_501f9b3a_c469_48f7_9281_2e6a8d805d7a a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-1 L+2 M+1 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "AngularMomentumDimension"@en .

emmo:EMMO_506f7823_52bc_40cb_be07_b3b1e10cce13 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The luminous efficacy of monochromatic radiation of frequency 540 × 10 12 Hz, K cd , is a technical constant that gives an exact numerical relationship between the purely physical characteristics of the radiant power stimulating the human eye (W) and its photobiological response defined by the luminous flux due to the spectral responsivity of a standard observer (lm) at a frequency of 540 × 10 12 hertz."@en ;
    emmo:EMMO_a9b3d04c_7ceb_40a2_b8d3_28d514a770a8 "https://physics.nist.gov/cgi-bin/cuu/Value?kcd" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T+3 L-1 M-1 I0 Θ0 N0 J+1" ;
    rdfs:comment "Defines the Candela base unit in the SI system."@en ;
    rdfs:subClassOf emmo:EMMO_f2ca6dd0_0e5f_4392_a92d_cafdae6cfc95 ;
    skos:prefLabel "LuminousEfficacyOf540THzRadiation"@en .

emmo:EMMO_50a44256_9dc5_434b_bad4_74a4d9a29989 a owl:Class ;
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    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Pressure" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The force applied perpendicular to the surface of an object per unit area over which that force is distributed."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L-1 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.P04819" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Pressure"@en .

emmo:EMMO_50c298c2_55a2_4068_b3ac_4e948c33181f a owl:AnnotationProperty ;
    rdfs:comment "URL to corresponding entry in the IEC Electropedia online database of ISO 80000 terms and definitions of quantities and units available at http://www.electropedia.org/."@en ;
    rdfs:range xsd:anyURI ;
    rdfs:seeAlso "http://www.electropedia.org/"^^xsd:anyURI ;
    rdfs:subPropertyOf rdfs:isDefinedBy ;
    skos:prefLabel "IECEntry"@en .

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In this example the 'symbolic' entity "cat" is not related to the real cat, but it is only a word (like it would be to an italian person that ignores the meaning of this english word).

If an 'interpreter' skilled in english language is involved in a 'semiotic' process with this word, that "cat" became also a 'sign' i.e. it became for the 'interpreter' a representation for a real cat."""@en ;
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            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ],
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emmo:EMMO_5525a055_dda5_4556_8b91_f0d22fa676cc a owl:AnnotationProperty ;
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    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.E02032" ;
    rdfs:comment "The DBpedia definition (http://dbpedia.org/page/Elementary_charge) is outdated as May 20, 2019. It is now an exact quantity."@en ;
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emmo:EMMO_5be9c137_325a_43d8_b7cd_ea93e7721c2d a owl:Class ;
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    skos:prefLabel "LuminousEfficacyDimension"@en .

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    rdfs:subClassOf emmo:EMMO_4b3e2374_52a1_4420_8e3f_3ae6b9bf7dff ;
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emmo:EMMO_5e77f00d_5c0a_44e7_baf1_2c2a4cb5b3ae a owl:Class ;
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emmo:EMMO_5eedba4d_105b_44d8_b1bc_e33606276ea2 a owl:Class ;
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    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Refractive_index" ;
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    rdfs:comment "The DBpedia definition (http://dbpedia.org/page/Vacuum_permittivity) is outdated since May 20, 2019. It is now a measured constant."@en,
        "The value of the absolute dielectric permittivity of classical vacuum."@en ;
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emmo:EMMO_624d72ee_e676_4470_9434_c22b4190d3d5 a owl:Class ;
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    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Heat",
        "http://dbpedia.org/page/Work_(physics)" ;
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    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.W06684" ;
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emmo:EMMO_64aba1e5_24b7_4140_8eb4_676c35698e79 a owl:Class ;
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emmo:EMMO_66873eb5_7e42_4566_a906_bd97a832f19b a owl:AsymmetricProperty,
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Temperature is a relative quantity that can be used to express temperature differences. Unlike ThermodynamicTemperature, it cannot express absolute temperatures."""@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-1 L0 M0 I0 Θ0 N+1 J0" ;
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Hartree-Fock."""@en ;
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emmo:EMMO_705f27ae_954c_4f13_98aa_18473fc52b25 a owl:AnnotationProperty ;
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A definition uses entities in an ontological system to identify other derivate ontological entities within the same system."""@en ;
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    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The quantum of action. It defines the kg base unit in the SI system."@en ;
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    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/MassFraction" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Mass_fraction_(chemistry)" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_e55f2d7c_9893_48cd_b4a4_fdf38253bd20 "http://www.ontology-of-units-of-measure.org/resource/om-2/MassFraction" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.M03722" ;
    rdfs:comment "Mass of a constituent divided by the total mass of all constituents in the mixture."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_18448443_dcf1_49b8_a321_cf46e2c393e1 ;
            owl:onProperty emmo:EMMO_67fc0a36_8dcb_4ffa_9a43_31074efa3296 ],
        emmo:EMMO_faab3f84_e475_4a46_af9c_7d249f0b9aef ;
    skos:prefLabel "MassFraction"@en .

emmo:EMMO_7c8007b0_58a7_4486_bf1c_4772852caca0 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/ElectricCurrentDensity" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Current_density" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L-2 M0 I+1 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.E01928" ;
    rdfs:comment "Electric current divided by the cross-sectional area it is passing through."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "CurrentDensity"@en .

emmo:EMMO_7fb7fe7e_bdf9_4eeb_adad_e384dd5285c6 a owl:ObjectProperty ;
    rdfs:range emmo:EMMO_054af807_85cd_4a13_8eba_119dfdaaf38b ;
    rdfs:subPropertyOf emmo:EMMO_60577dea_9019_4537_ac41_80b0fb563d41 ;
    skos:prefLabel "hasInterpretant"@en .

emmo:EMMO_81e767f1_59b1_4d7a_bf69_17f322241831 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/MagneticDipoleMoment" ;
    emmo:EMMO_50c298c2_55a2_4068_b3ac_4e948c33181f "http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=121-11-55" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Magnetic_moment" ;
    emmo:EMMO_8de5d5bf_db1c_40ac_b698_095ba3b18578 "10-9.1" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """Vector quantity μ causing a change to its energy ΔW in an external magnetic field of field flux density B:

    ΔW = −μ · B"""@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L+2 M0 I+1 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "http://goldbook.iupac.org/terms/view/M03688" ;
    rdfs:comment """For an atom or nucleus, this energy is quantized and can be written as:

    W = g μ M B

where g is the appropriate g factor, μ is mostly the Bohr magneton or nuclear magneton, M is magnetic quantum number, and B is magnitude of the magnetic flux density.

-- ISO 80000"""@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "MagneticDipoleMoment"@en .

emmo:EMMO_8303a247_f9d9_4616_bdcd_f5cbd7b298e3 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An bonded atom that shares at least one electron to the atom-based entity of which is part of."@en ;
    rdfs:comment """A real bond between atoms is always something hybrid between covalent, metallic and ionic.

In general, metallic and ionic bonds have atoms sharing electrons."""@en,
        "The bond types that are covered by this definition are the strong electonic bonds: covalent, metallic and ionic."@en,
        "This class can be used to represent molecules as simplified quantum systems, in which outer molecule shared electrons are un-entangled with the inner shells of the atoms composing the molecule."@en ;
    rdfs:subClassOf emmo:EMMO_eb77076b_a104_42ac_a065_798b2d2809ad ;
    skos:prefLabel "BondedAtom"@en .

emmo:EMMO_830b59f7_d047_438c_90cd_62845749efcb a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/InternalEnergy" ;
    emmo:EMMO_50c298c2_55a2_4068_b3ac_4e948c33181f "http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=113-04-20" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Internal_energy" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A state quantity equal to the difference between the total energy of a system and the sum of the macroscopic kinetic and potential energies of the system."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+2 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_e55f2d7c_9893_48cd_b4a4_fdf38253bd20 "http://www.ontology-of-units-of-measure.org/resource/om-2/InternalEnergy" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.I03103" ;
    rdfs:subClassOf emmo:EMMO_31ec09ba_1713_42cb_83c7_b38bf6f9ced2 ;
    skos:altLabel "ThermodynamicEnergy"@en ;
    skos:prefLabel "InternalEnergy"@en .

emmo:EMMO_84cadc45_6758_46f2_ba2a_5ead65c70213 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A physics-based model based on a physics equation describing the behaviour of atoms."@en ;
    rdfs:subClassOf emmo:EMMO_b29fd350_39aa_4af7_9459_3faa0544cba6 ;
    skos:prefLabel "AtomisticModel"@en .

emmo:EMMO_86060335_31c2_4820_b433_27c64aea0366 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9268958f_7f54_48ab_a693_febe2645892b ;
    skos:prefLabel "Torus"@en .

emmo:EMMO_8785be5a_2493_4b12_8f39_31907ab11748 a owl:AsymmetricProperty,
        owl:IrreflexiveProperty,
        owl:ObjectProperty ;
    rdfs:domain emmo:EMMO_42fc460a_4bf3_4d0b_8dee_3c7efcefebb5 ;
    rdfs:range emmo:EMMO_42fc460a_4bf3_4d0b_8dee_3c7efcefebb5 ;
    rdfs:subPropertyOf emmo:EMMO_52d08d7d_e9e4_43e5_8508_d353e7e3a23a ;
    skos:prefLabel "hasSpatialNext"@en .

emmo:EMMO_88fc5d1b_d3ab_4626_b24c_915ebe7400ca a owl:Class ;
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    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Chemical_potential" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+2 M+1 I0 Θ0 N-1 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.C01032" ;
    rdfs:comment "Energy per unit change in amount of substance."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "ChemicalPotential"@en .

emmo:EMMO_89083bab_f69c_4d06_bf6d_62973b56cdc7 a owl:Class ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "2+2"@en ;
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            owl:complementOf [ a owl:Restriction ;
                    owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
                    owl:someValuesFrom emmo:EMMO_1eed0732_e3f1_4b2c_a9c4_b4e75eeb5895 ] ],
        emmo:EMMO_1aed91a3_d00c_48af_8f43_a0c958b2512a ;
    skos:prefLabel "ArithmeticExpression"@en .

emmo:EMMO_8d3da9ac_2265_4382_bee5_db72046722f8 a owl:Class ;
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    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Decays per unit time."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-1 L0 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.A00114" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Radioactivity"@en .

emmo:EMMO_8d689295_7d84_421b_bc01_d5cceb2c2086 a owl:Class ;
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    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.P04914" ;
    rdfs:comment "The rest mass of a proton."@en ;
    rdfs:subClassOf emmo:EMMO_3f15d200_c97b_42c8_8ac0_d81d150361e2,
        emmo:EMMO_ed4af7ae_63a2_497e_bb88_2309619ea405 ;
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emmo:EMMO_8de14a59_660b_454f_aff8_76a07ce185f4 a owl:Class ;
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            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
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    rdfs:range rdf:PlainLiteral ;
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    rdfs:subPropertyOf rdfs:isDefinedBy ;
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    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.A00031" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "AbsorbedDose"@en .

emmo:EMMO_909415d1_7c43_4d5e_bbeb_7e1910159f66 a owl:Class ;
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    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """CFC is a 'sign' that stands for the fact that the morphology of atoms composing the microstructure of an entity is predominantly Cubic Face Centered

A color is a nominal property.

Sex of a human being."""@en ;
    rdfs:comment """"Property of a phenomenon, body, or substance, where the property has no magnitude."

"A nominal property has a value, which can be expressed in words, by alphanumerical codes, or by other means."

International vocabulary of metrology (VIM)"""@en ;
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emmo:EMMO_91447ec0_fb55_49f2_85a5_3172dff6482c a owl:Class ;
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    rdfs:subClassOf emmo:EMMO_1aed91a3_d00c_48af_8f43_a0c958b2512a ;
    skos:prefLabel "Polynomial"@en .

emmo:EMMO_92b2fb85_2143_4bc7_bbca_df3e6944bfc1 a owl:Class ;
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    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Electrical_reactance" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-3 L+2 M+1 I-2 Θ0 N0 J0" ;
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    rdfs:subClassOf emmo:EMMO_e88f75d6_9a17_4cfc_bdf7_43d7cea5a9a1 ;
    skos:altLabel "Reactance" ;
    skos:prefLabel "ElectricReactance"@en .

emmo:EMMO_961d1aba_f75e_4411_aaa4_457f7516ed6b a owl:Class ;
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    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Magnetic_field" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Strength of the magnetic field."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L0 M+1 I-1 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.M03686" ;
    rdfs:comment "Often denoted B."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "MagneticFluxDensity"@en .

emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 a owl:AnnotationProperty ;
    rdfs:comment """Short enlightening explanation of an ontological entity aimed to facilitate the connection between the ontological concept and a real-world object.

An elucidation provides the meta-ontological semiotic relation that connects an entity within the ontology, to a real-world entity outside the ontology.

This process is subjective, depends on the agent that draws this connection (e.g. the EMMO user, a machine), and is independent (outside) from the ontology representational capabilities."""@en ;
    rdfs:range xsd:string ;
    rdfs:subPropertyOf rdfs:comment ;
    skos:prefLabel "elucidation"@en .

emmo:EMMO_96f39f77_44dc_491b_8fa7_30d887fe0890 a owl:Class ;
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    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Area" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L+2 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.A00429" ;
    rdfs:comment "Extent of a surface."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Area"@en .

emmo:EMMO_97589322_710c_4af4_9431_1e5027f2be42 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Luminance" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Luminance" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L-2 M0 I0 Θ0 N0 J+1" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.L03640" ;
    rdfs:comment "Measured in cd/m². Not to confuse with Illuminance, which is measured in lux (cd sr/m²)."@en,
        "a photometric measure of the luminous intensity per unit area of light travelling in a given direction."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Luminance"@en .

emmo:EMMO_98d65021_4574_4890_b2fb_46430841077f a owl:Class ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "2 * a - b = c"@en ;
    rdfs:comment "An 'equation' that has parts two 'polynomial'-s"@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:someValuesFrom emmo:EMMO_1aed91a3_d00c_48af_8f43_a0c958b2512a ],
        emmo:EMMO_e56ee3eb_7609_4ae1_8bed_51974f0960a6 ;
    skos:prefLabel "AlgebricEquation"@en .

emmo:EMMO_99296e55_53f7_4333_9e06_760ad175a1b9 a owl:Class ;
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    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Speed_of_light" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The speed of light in vacuum. Defines the base unit metre in the SI system."@en ;
    emmo:EMMO_a9b3d04c_7ceb_40a2_b8d3_28d514a770a8 "https://physics.nist.gov/cgi-bin/cuu/Value?c" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-1 L+1 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.S05854" ;
    rdfs:subClassOf emmo:EMMO_81369540_1b0e_471b_9bae_6801af22800e,
        emmo:EMMO_f2ca6dd0_0e5f_4392_a92d_cafdae6cfc95 ;
    skos:prefLabel "SpeedOfLightInVacuum"@en .

emmo:EMMO_99dba333_0dbd_4f75_8841_8c0f97fd58e2 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Capacitance" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Capacitance" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The derivative of the electric charge of a system with respect to the electric potential."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T+4 L-2 M-1 I+2 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.C00791" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:altLabel "ElectricCapacitance"@en ;
    skos:prefLabel "Capacitance"@en .

emmo:EMMO_9bed5d66_805a_4b3a_9153_beaf67143848 a owl:Class ;
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    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Aerogel"@en ;
    rdfs:subClassOf emmo:EMMO_1f5e3e7e_72c9_40d4_91dd_ae432d7b7018,
        emmo:EMMO_a2b006f2_bbfd_4dba_bcaa_3fca20cd6be1 ;
    skos:prefLabel "SolidFoam"@en .

emmo:EMMO_9c32fd69_f480_4130_83b3_fb25d9face14 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_db9a009e_f097_43f5_9520_6cbc07e7610b ;
    skos:prefLabel "PhysicalLaw"@en .

emmo:EMMO_9d8f708a_f291_4d72_80ec_362c6e6bbca6 a owl:Class ;
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    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Center_of_mass" ;
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    rdfs:subClassOf emmo:EMMO_44da6d75_54a4_4aa8_bd3a_156f6e9abb8e ;
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    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "SI coherent measurement unit for volume."@en ;
    emmo:EMMO_e55f2d7c_9893_48cd_b4a4_fdf38253bd20 "http://www.ontology-of-units-of-measure.org/resource/om-2/cubicMetre" ;
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            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
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emmo:EMMO_a4b14b83_9392_4a5f_a2e8_b2b58793f59b a owl:Class ;
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International vocabulary of metrology (VIM)"""@en ;
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            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
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emmo:EMMO_afea89af_ef16_4bdb_99d5_f3b2f4c85a6c a owl:Class ;
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emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a a owl:AnnotationProperty ;
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    rdfs:range xsd:string ;
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emmo:EMMO_b4895f75_41c8_4fd9_b6d6_4d5f7c99c423 a owl:Class ;
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    rdfs:comment "Strength of a magnetic field. Commonly denoted H."@en ;
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    rdfs:comment "The DBpedia definition (http://dbpedia.org/page/Magnetic_flux_quantum) is outdated as May 20, 2019. It is now an exact quantity."@en ;
    rdfs:subClassOf emmo:EMMO_f2ca6dd0_0e5f_4392_a92d_cafdae6cfc95 ;
    skos:prefLabel "JosephsonConstant"@en .

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    rdfs:subPropertyOf rdfs:isDefinedBy ;
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            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_f6070071_d054_4b17_9d2d_f446f7147d0f ],
        emmo:EMMO_1273eb34_de48_43a9_925f_104110469dd2 ;
    skos:prefLabel "NewtonMetre"@en .

emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d a owl:AnnotationProperty ;
    rdfs:comment "URL to corresponding Wikipedia entry."@en ;
    rdfs:range xsd:anyURI ;
    rdfs:seeAlso "https://www.wikipedia.org/" ;
    rdfs:subPropertyOf rdfs:seeAlso ;
    skos:prefLabel "wikipediaEntry"@en .

emmo:EMMO_c9c8f824_9127_4f93_bc21_69fe78a7f6f2 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A reference unit provided by a measurement procedure."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Rockwell C hardness of a given sample (150 kg load): 43.5HRC(150 kg)"@en ;
    rdfs:subClassOf emmo:EMMO_18ce5200_00f5_45bb_8c6f_6fb128cd41ae ;
    skos:prefLabel "ProcedureUnit"@en .

emmo:EMMO_cc01751d_dd05_429b_9d0c_1b7a74d1f277 a owl:Class ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "The charge of an electron."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T+1 L0 M0 I+1 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.E01982" ;
    rdfs:comment "The negative of ElementaryCharge."@en ;
    rdfs:subClassOf emmo:EMMO_1604f495_328a_4f28_9962_f4cc210739dd,
        emmo:EMMO_f2ca6dd0_0e5f_4392_a92d_cafdae6cfc95 ;
    skos:prefLabel "ElectronCharge"@en .

emmo:EMMO_cd5fb112_7ee7_4120_a35d_3ca3e6c3f4ab a owl:AnnotationProperty ;
    rdfs:subPropertyOf rdfs:comment ;
    owl:deprecated "Replaced by dcterms:creator" ;
    skos:prefLabel "author"@en .

emmo:EMMO_cde4368c_1d4d_4c94_8548_604749523c6d a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/ElectricConductivity" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Electrical_resistivity_and_conductivity" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T+3 L-3 M-1 I+2 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.C01245" ;
    rdfs:comment """Measure of a material's ability to conduct an electric current.

Conductivity is equeal to the resiprocal of resistivity."""@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:altLabel "Conductivity" ;
    skos:prefLabel "ElectricConductivity"@en .

emmo:EMMO_d1917609_db5e_4b8a_9b76_ef1d6f860a81 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Stress" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Stress_(mechanics)" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L-1 M+1 I0 Θ0 N0 J0" ;
    rdfs:comment "Force per unit oriented surface area ."@en,
        "Measure of the internal forces that neighboring particles of a continuous material exert on each other."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Stress"@en .

emmo:EMMO_d1d436e7_72fc_49cd_863b_7bfb4ba5276a a owl:Class ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "viscosity in the Navier-Stokes equation"@en ;
    rdfs:comment "A 'variable' whose value is assumed to be known independently from the equation, but whose value is not explicitated in the equation."@en ;
    rdfs:subClassOf emmo:EMMO_1eed0732_e3f1_4b2c_a9c4_b4e75eeb5895 ;
    skos:prefLabel "Parameter"@en .

emmo:EMMO_d5be1faf_0c56_4f5a_9b78_581e6dee949f a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/AmountOfSubstanceConcentrationOfB" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Molar_concentration" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L-3 M0 I0 Θ0 N+1 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.A00295" ;
    rdfs:comment "The amount of a constituent divided by the volume of the mixture."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:altLabel "Concentration"@en,
        "MolarConcentration"@en,
        "Molarity"@en ;
    skos:prefLabel "AmountConcentration"@en .

emmo:EMMO_d69d2e95_b22f_499a_a552_17fde0d778fc a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A foam of trapped gas in a liquid."@en ;
    rdfs:subClassOf emmo:EMMO_1f5e3e7e_72c9_40d4_91dd_ae432d7b7018,
        emmo:EMMO_7509da43_56b1_4d7f_887a_65d1663df4ba ;
    skos:prefLabel "LiquidFoam"@en .

emmo:EMMO_d7bf784a_db94_4dd9_861c_54f262846fbf a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9268958f_7f54_48ab_a693_febe2645892b ;
    skos:prefLabel "Sphere"@en .

emmo:EMMO_d7d2ca25_03e1_4099_9220_c1a58df13ad0 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/constant/FineStructureConstant" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Fine-structure_constant" ;
    emmo:EMMO_a9b3d04c_7ceb_40a2_b8d3_28d514a770a8 "https://physics.nist.gov/cgi-bin/cuu/Value?alph" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.F02389" ;
    rdfs:comment "A fundamental physical constant characterizing the strength of the electromagnetic interaction between elementary charged particles."@en ;
    rdfs:subClassOf emmo:EMMO_3f15d200_c97b_42c8_8ac0_d81d150361e2 ;
    skos:prefLabel "FineStructureConstant"@en .

emmo:EMMO_da831168_975a_41f8_baae_279c298569da a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/constant/NewtonianConstantOfGravitation" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Gravitational_constant" ;
    emmo:EMMO_a9b3d04c_7ceb_40a2_b8d3_28d514a770a8 "https://physics.nist.gov/cgi-bin/cuu/Value?bg" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+3 M-1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.G02695" ;
    rdfs:comment "Physical constant in Newton's law of gravitation and in Einstein's general theory of relativity."@en ;
    rdfs:subClassOf emmo:EMMO_3f15d200_c97b_42c8_8ac0_d81d150361e2 ;
    skos:prefLabel "NewtonianConstantOfGravity"@en .

emmo:EMMO_dc6c8de0_cfc4_4c66_a7dc_8f720e732d54 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/MassNumber" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "Number of nucleons in an atomic nucleus."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N0 J0" ;
    rdfs:subClassOf emmo:EMMO_ba882f34_0d71_4e4f_9d92_0c076c633a2c ;
    skos:altLabel "AtomicMassNumber",
        "NucleonNumber" ;
    skos:prefLabel "MassNumber"@en .

emmo:EMMO_de021e4f_918f_47ef_a67b_11120f56b9d7 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/constant/ElectromagneticPermeabilityOfVacuum" ;
    emmo:EMMO_a9b3d04c_7ceb_40a2_b8d3_28d514a770a8 "https://physics.nist.gov/cgi-bin/cuu/Value?mu0" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+1 M+1 I-2 Θ0 N0 J0" ;
    rdfs:comment "The DBpedia and UIPAC Gold Book definitions (http://dbpedia.org/page/Vacuum_permeability,  https://doi.org/10.1351/goldbook.P04504) are outdated since May 20, 2019. It is now a measured constant."@en,
        "The value of magnetic permeability in a classical vacuum."@en ;
    rdfs:subClassOf emmo:EMMO_09663630_1b84_4202_91e6_e641104f579e,
        emmo:EMMO_3f15d200_c97b_42c8_8ac0_d81d150361e2 ;
    skos:prefLabel "VacuumMagneticPermeability"@en .

emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d a owl:AnnotationProperty ;
    rdfs:comment """A unique string describing the physical dimensionality of a physical quantity.

See the comments of PhysicalDimension for a description of this "regex" string."""@en ;
    rdfs:range xsd:string ;
    rdfs:subPropertyOf rdfs:comment ;
    skos:prefLabel "physicalDimension"@en .

emmo:EMMO_e13b2173_1dec_4b97_9ac1_1dc4b418612a a owl:Class ;
    rdfs:subClassOf emmo:EMMO_a1083d0a_c1fb_471f_8e20_a98f881ad527 ;
    skos:prefLabel "UTF8"@en .

emmo:EMMO_e150fa8d_06dc_4bb8_bf95_04e2aea529c1 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Resistivity" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Electrical_resistivity_and_conductivity" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-3 L+3 M+1 I-2 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.R05316" ;
    rdfs:comment "Electric field strength divided by the current density."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:altLabel "Resistivity" ;
    skos:prefLabel "ElectricResistivity"@en .

emmo:EMMO_e2ee1c98_497a_4f66_b4ed_5711496a848e a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/LuminousFlux" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Luminous_flux" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Perceived power of light."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N0 J+1" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.L03646" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "LuminousFlux"@en .

emmo:EMMO_e37ac288_aa60_415a_8cb7_c375724ac8e1 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Acceleration" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Acceleration" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+1 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.A00051" ;
    rdfs:comment "Derivative of velocity with respect to time."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Acceleration"@en .

emmo:EMMO_e4281979_2b07_4a43_a772_4903fb3696fe a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A suspension of fine particles in the atmosphere."@en ;
    rdfs:subClassOf emmo:EMMO_d4f37e32_16ae_4cc6_b4cd_fd896b2449c4 ;
    skos:prefLabel "Dust"@en .

emmo:EMMO_e46f3f24_c2ec_4552_8dd4_cfc5c0a89c09 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/RadiantFlux" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Radiant_flux" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-3 L+2 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.R05046" ;
    rdfs:comment "The radiant energy emitted, reflected, transmitted or received, per unit time."@en ;
    rdfs:subClassOf emmo:EMMO_09b9021b_f97b_43eb_b83d_0a764b472bc2 ;
    skos:prefLabel "RadiantFlux"@en .

emmo:EMMO_e55f2d7c_9893_48cd_b4a4_fdf38253bd20 a owl:AnnotationProperty ;
    rdfs:comment "IRI to corresponding concept in the Ontology of units of Measure"@en ;
    rdfs:range xsd:anyURI ;
    rdfs:seeAlso "https://enterpriseintegrationlab.github.io/icity/OM/doc/index-en.html"^^xsd:anyURI,
        "https://github.com/HajoRijgersberg/OM"^^xsd:anyURI ;
    rdfs:subPropertyOf rdfs:seeAlso ;
    skos:prefLabel "omMatch"@en .

emmo:EMMO_e7c9f7fd_e534_4441_88fe_1fec6cb20f26 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/SolidAngle" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Solid_angle" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Ratio of area on a sphere to its radius squared."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.S05732" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_6f4d704a_a7c6_4c07_b8a7_ea0bab04128f ;
            owl:onProperty emmo:EMMO_67fc0a36_8dcb_4ffa_9a43_31074efa3296 ],
        emmo:EMMO_faab3f84_e475_4a46_af9c_7d249f0b9aef ;
    skos:prefLabel "SolidAngle"@en .

emmo:EMMO_e9eaeeb5_620c_4dab_8f72_269ff85d0634 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Measurement unit for electric dipole moment."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_1c2226a9_22f0_40c8_8928_5a01d398f96e ],
        emmo:EMMO_1273eb34_de48_43a9_925f_104110469dd2 ;
    skos:prefLabel "CoulombMetre"@en .

emmo:EMMO_eb561764_276e_413d_a8cb_3a3154fd9bf8 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/constant/VonKlitzingConstant" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "The von Klitzing constant is defined as Planck constant divided by the square of the elementary charge."@en ;
    emmo:EMMO_a9b3d04c_7ceb_40a2_b8d3_28d514a770a8 "https://physics.nist.gov/cgi-bin/cuu/Value?rk" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-3 L+2 M+1 I-2 Θ0 N0 J0" ;
    rdfs:comment "Resistance quantum."@en ;
    rdfs:subClassOf emmo:EMMO_e88f75d6_9a17_4cfc_bdf7_43d7cea5a9a1,
        emmo:EMMO_f2ca6dd0_0e5f_4392_a92d_cafdae6cfc95 ;
    skos:prefLabel "VonKlitzingConstant"@en .

emmo:EMMO_ec7464a9_d99d_45f8_965b_4e9230ea8356 a owl:Class ;
    rdfs:comment "A material that is synthesized within a manufacturing process."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_c5aae418_1622_4d02_93c5_21159e28e6c1 ] ;
            owl:someValuesFrom emmo:EMMO_71d1c8f0_c6e3_44b5_a4b6_1b74ff35698a ],
        emmo:EMMO_4207e895_8b83_4318_996a_72cfb32acd94,
        emmo:EMMO_86ca9b93_1183_4b65_81b8_c0fcd3bba5ad ;
    skos:prefLabel "EngineeredMaterial"@en .

emmo:EMMO_f17133c2_bb33_4ffd_89fa_eef2b403d5e6 a owl:Class ;
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    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N0 J0" ;
    rdfs:comment "Using direct parthood EMMO creates a well-defined broadcasting between granularity levels. This also make it possible to count the direct parts of each granularity level."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_15db234d_ecaf_4715_9838_4b4ec424fb13 ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_e1097637_70d2_4895_973f_2396f04fa204 ] ],
        emmo:EMMO_ba882f34_0d71_4e4f_9d92_0c076c633a2c ;
    skos:prefLabel "NumberOfElements"@en .

emmo:EMMO_f19ff3b4_6bfe_4c41_a2b2_9affd39c140b a owl:Class ;
    rdfs:subClassOf emmo:EMMO_db9a009e_f097_43f5_9520_6cbc07e7610b ;
    skos:prefLabel "MaterialLaw"@en .

emmo:EMMO_f1a51559_aa3d_43a0_9327_918039f0dfed a owl:Class ;
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    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Volume" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L-3 M0 I0 Θ0 N0 J0" ;
    rdfs:comment "Extent of an object in space."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Volume"@en .

emmo:EMMO_f3dd74c0_f480_49e8_9764_33b78638c235 a owl:Class ;
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    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Angle" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "Ratio of circular arc length to radius."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.A00346" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_cdc962d8_f3ea_4764_a57a_c7caa4859179 ;
            owl:onProperty emmo:EMMO_67fc0a36_8dcb_4ffa_9a43_31074efa3296 ],
        emmo:EMMO_faab3f84_e475_4a46_af9c_7d249f0b9aef ;
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    skos:prefLabel "Angle"@en .

emmo:EMMO_f8bd64d5_5d3e_4ad4_a46e_c30714fecb7f a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onDataRange xsd:integer ;
            owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ;
            owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ],
        [ a owl:Restriction ;
            owl:allValuesFrom xsd:integer ;
            owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ],
        emmo:EMMO_21f56795_ee72_4858_b571_11cfaa59c1a8 ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ;
            owl:someValuesFrom xsd:integer ] ;
    skos:prefLabel "Integer"@en .

emmo:EMMO_f96feb3f_4438_4e43_aa44_7458c4d87fc2 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """The frequency standard in the SI system in which the photon absorption by transitions between the two hyperfine ground states of caesium-133 atoms are used to control the output frequency.

It defines the base unit second in the SI system."""@en ;
    emmo:EMMO_a9b3d04c_7ceb_40a2_b8d3_28d514a770a8 "https://physics.nist.gov/cgi-bin/cuu/Value?nucs" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-1 L0 M0 I0 Θ0 N0 J0" ;
    rdfs:subClassOf emmo:EMMO_852b4ab8_fc29_4749_a8c7_b92d4fca7d5a,
        emmo:EMMO_f2ca6dd0_0e5f_4392_a92d_cafdae6cfc95 ;
    skos:prefLabel "HyperfineTransitionFrequencyOfCs"@en .

emmo:EMMO_f992dc76_f9a6_45f6_8873_c8e20d16fbbe a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/GM" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "Gram is defined as one thousandth of the SI unit kilogram."@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Gram" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.G02680" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_77e9dc31_5b19_463e_b000_44c6e79f98aa ],
        [ a owl:Restriction ;
            owl:hasValue "g" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_216f448e_cdbc_4aeb_a529_7a5fe7fc38bb,
        emmo:EMMO_52e4cb25_da39_45e2_a6db_063ec5730499 ;
    skos:prefLabel "Gram"@en .

emmo:EMMO_fb168b10_a27b_4409_a002_35671319d170 a owl:AsymmetricProperty,
        owl:IrreflexiveProperty,
        owl:ObjectProperty ;
    rdfs:domain emmo:EMMO_e0954911_fc88_492a_9830_fdb238e28cc2 ;
    rdfs:range emmo:EMMO_406f9b74_c927_4e05_b9af_5edbe5e280c5 ;
    rdfs:subPropertyOf emmo:EMMO_651013cf_00ee_4e66_9d4e_fdfb20d991d2 ;
    skos:prefLabel "hasTemporalRest"@en .

emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 a owl:AnnotationProperty ;
    rdfs:comment "DOI to corresponding concept in IUPAC"@en ;
    rdfs:range xsd:anyURI ;
    rdfs:seeAlso "https://goldbook.iupac.org/"^^xsd:anyURI ;
    rdfs:subPropertyOf rdfs:seeAlso ;
    skos:prefLabel "iupacEntry"@en .

emmo:EMMO_fe63194f_7c04_4dbd_a244_524b38b6699b a owl:AsymmetricProperty,
        owl:FunctionalProperty,
        owl:IrreflexiveProperty,
        owl:ObjectProperty ;
    rdfs:domain emmo:EMMO_406f9b74_c927_4e05_b9af_5edbe5e280c5 ;
    rdfs:range emmo:EMMO_e0954911_fc88_492a_9830_fdb238e28cc2 ;
    rdfs:subPropertyOf emmo:EMMO_65a2c5b8_e4d8_4a51_b2f8_e55effc0547d ;
    skos:prefLabel "hasTemporalFirst"@en .

emmo:EMMO_fe7e56ce_118b_4243_9aad_20eb9f4f31f6 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The dependent variable for which an equation has been written."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Velocity, for the Navier-Stokes equation."@en ;
    rdfs:subClassOf emmo:EMMO_1eed0732_e3f1_4b2c_a9c4_b4e75eeb5895 ;
    skos:prefLabel "Unknown"@en .

emmo:EMMO_ffb73b1e_5786_43e4_a964_cb32ac7affb7 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Conductance" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Electrical_resistance_and_conductance" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Measure of the ease for electric current to pass through a material."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T+3 L-2 M-1 I+2 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.E01925" ;
    rdfs:comment "Inverse of 'ElectricalResistance'."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:altLabel "Conductance"@en ;
    skos:prefLabel "ElectricConductance"@en .

emmo:EMMO_ffc7735f_c177_46a4_98e9_a54440d29209 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/constant/BoltzmannConstant" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Boltzmann_constant" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """A physical constant relating energy at the individual particle level with temperature. It is the gas constant R divided by the Avogadro constant.

It defines the Kelvin unit in the SI system."""@en ;
    emmo:EMMO_a9b3d04c_7ceb_40a2_b8d3_28d514a770a8 "https://physics.nist.gov/cgi-bin/cuu/Value?k" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+2 M+1 I0 Θ-1 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.B00695" ;
    rdfs:comment "The DBpedia definition (http://dbpedia.org/page/Boltzmann_constant) is outdated as May 20, 2019. It is now an exact quantity."@en ;
    rdfs:subClassOf emmo:EMMO_9bbab0be_f9cc_4f46_9f46_0fd271911b79,
        emmo:EMMO_f2ca6dd0_0e5f_4392_a92d_cafdae6cfc95 ;
    skos:prefLabel "BoltzmannConstant"@en .

: a owl:Ontology ;
    dcterms:abstract """European Materials & Modelling Ontology (EMMO)

EMMO is a multidisciplinary effort to develop a standard representational framework (the ontology) based on current materials modelling knowledge, including physical sciences, analytical philosophy and information and communication technologies.

It provides the connection between the physical world, materials characterisation world and materials modelling world.

EMMO is released under a Creative Commons license Attribution 4.0 International (CC BY 4.0)."""@en ;
    dcterms:contributor "Access, DE",
        "Fraunhofer IWM, DE",
        "Goldbeck Consulting Ltd (UK)",
        "SINTEF, NO",
        "University of Bologna, IT" ;
    dcterms:creator "Adham Hashibon",
        "Emanuele Ghedini",
        "Georg Schmitz",
        "Gerhard Goldbeck",
        "Jesper Friis" ;
    dcterms:license "https://creativecommons.org/licenses/by/4.0/legalcode" ;
    dcterms:publisher "EMMC ASBL" ;
    dcterms:title "European Materials & Modelling Ontology"@en ;
    rdfs:comment """Contacts:
Gerhard Goldbeck
Goldbeck Consulting Ltd (UK)
email: gerhard@goldbeck-consulting.com

Emanuele Ghedini
University of Bologna (IT)
email: emanuele.ghedini@unibo.it"""@en,
        "The EMMO requires FacT++ reasoner plugin in order to visualize all inferences and class hierarchy (ctrl+R hotkey in Protege)."@en ;
    owl:versionIRI <http://emmo.info/emmo/1.0.0-beta> ;
    owl:versionInfo "1.0.0-beta" .

dcterms:abstract a owl:AnnotationProperty .

dcterms:contributor a owl:AnnotationProperty .

dcterms:creator a owl:AnnotationProperty .

dcterms:license a owl:AnnotationProperty .

dcterms:publisher a owl:AnnotationProperty .

dcterms:title a owl:AnnotationProperty .

owl:minQualifiedCardinality a owl:AnnotationProperty .

owl:qualifiedCardinality a owl:AnnotationProperty .

skos:altLabel a owl:AnnotationProperty ;
    rdfs:range rdf:PlainLiteral ;
    rdfs:subPropertyOf rdfs:label .

skos:hiddenLabel a owl:AnnotationProperty ;
    rdfs:range rdf:PlainLiteral ;
    rdfs:subPropertyOf rdfs:label .

skos:prefLabel a owl:AnnotationProperty ;
    rdfs:range rdf:PlainLiteral ;
    rdfs:subPropertyOf rdfs:label .

emmo:EMMO_00199e76_69dc_45b6_a9c6_98cc90cdc0f5 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/GRAY" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.G02696" ;
    rdfs:comment "Measurement unit for absorbed dose."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_847f1d9f_205e_46c1_8cb6_a9e479421f88 ],
        [ a owl:Restriction ;
            owl:hasValue "Gy" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Gray"@en .

emmo:EMMO_00dd79e0_31a6_427e_9b9c_90f3097e4a96 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/Dalton" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Unified_atomic_mass_unit" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "One dalton is defined as one twelfth of the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ground state."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.D01514" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "Da" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_77e9dc31_5b19_463e_b000_44c6e79f98aa ],
        emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac ;
    skos:prefLabel "Dalton"@en .

emmo:EMMO_053648ea_3c0a_468c_89cb_eb009239323a a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/PARSEC" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Astronomical_unit" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "One astronomical unit is defined as exactly 149597870700 m, which is roughly the distance from earth to sun."@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Astronomical_unit" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_b3600e73_3e05_479d_9714_c041c3acf5cc ],
        [ a owl:Restriction ;
            owl:hasValue "au" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac ;
    skos:prefLabel "AstronomicalUnit"@en .

emmo:EMMO_06448f64_8db6_4304_8b2c_e785dba82044 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Density" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Density" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L-3 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.D01590" ;
    rdfs:comment "Mass per volume."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Density"@en .

emmo:EMMO_068c4e58_2470_4b1c_8454_010dd4906100 a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e-12 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        [ a owl:Restriction ;
            owl:hasValue "p" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Pico"@en .

emmo:EMMO_080052a1_f295_44be_a60f_1326ce13f1ba a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/W" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.W06656" ;
    rdfs:comment "Measurement unit for power."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_c8d084ad_f88e_4596_8e4d_982c6655ce6f ],
        [ a owl:Restriction ;
            owl:hasValue "W" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Watt"@en .

emmo:EMMO_08cb807c_e626_447b_863f_e2835540e918 a emmo:EMMO_802d3e92_8770_4f98_a289_ccaaab7fdddf,
        owl:NamedIndividual,
        owl:Thing ;
    skos:prefLabel "Universe"@en .

emmo:EMMO_09663630_1b84_4202_91e6_e641104f579e a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/ElectromagneticPermeability" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Permeability_(electromagnetism)" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+1 M+1 I-2 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.P04503" ;
    rdfs:comment "Measure for how the magnetization of material is affected by the application of an external magnetic field ."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:altLabel "ElectromagneticPermeability" ;
    skos:prefLabel "Permeability"@en .

emmo:EMMO_09b9021b_f97b_43eb_b83d_0a764b472bc2 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Power" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Power_(physics)" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Rate of transfer of energy per unit time."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-3 L+2 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.P04792" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Power"@en .

emmo:EMMO_0ab0485c_9e5b_4257_a679_90a2dfba5c7c a owl:Class ;
    rdfs:subClassOf emmo:EMMO_b5957cef_a287_442d_a3ce_fd39f20ba1cd ;
    skos:altLabel "0-manifold"@en ;
    skos:prefLabel "ZeroManifold"@en .

emmo:EMMO_0e6378df_1ce8_4321_b00c_ee9beea60a67 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A single phase mixture."@en ;
    rdfs:subClassOf emmo:EMMO_ec2c8ac8_98c5_4c74_b85b_ff8e8ca6655c ;
    skos:prefLabel "PhaseHomogeneousMixture"@en .

emmo:EMMO_0ee5779e_d798_4ee5_9bfe_c392d5bea112 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Permittivity" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Permittivity" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T+4 L-3 M-1 I+2 Θ0 N0 J0" ;
    emmo:EMMO_e55f2d7c_9893_48cd_b4a4_fdf38253bd20 "http://www.ontology-of-units-of-measure.org/resource/om-2/Permittivity" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.P04507" ;
    rdfs:comment "Measure for how the polarization of a material is affected by the application of an external electric field."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Permittivity"@en .

emmo:EMMO_0f6f0120_c079_4d95_bb11_4ddee05e530e a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """Result of a measurement.

A MeasurementResult is in EMMO expressed as a single MeasurendQuantitativeProperty and a MeasuredUncertainty"""@en ;
    emmo:EMMO_bb49844b_45d7_4f0d_8cae_8e552cbc20d6 "measurement result"@en ;
    rdfs:comment "A measurement result generally contains “relevant information” about the set of measured quantity properties, such that some may be more representative of the measured quantity than others. This may be expressed in the form of a probability density function (pdf)."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onClass emmo:EMMO_873b0ab3_88e6_4054_b901_5531e01f14a4 ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ],
        [ a owl:Restriction ;
            owl:onClass emmo:EMMO_847724b7_acef_490e_9f0d_67da967f2812 ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ],
        emmo:EMMO_2a888cdf_ec4a_4ec5_af1c_0343372fc978,
        emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652 ;
    skos:prefLabel "MeasurementResult"@en .

emmo:EMMO_1067b97a_84f8_4d22_8ace_b842b8ce355c a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'spacetime' that stands for a quantum system made of electrons."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:someValuesFrom emmo:EMMO_8043d3c6_a4c1_4089_ba34_9744e28e5b3d ],
        emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652,
        emmo:EMMO_7d66bde4_b68d_41cc_b5fc_6fd98c5e2ff0 ;
    skos:prefLabel "ElectronCloud"@en .

emmo:EMMO_1181c938_c8f0_4ad6_bc7a_2bfdc0903d29 a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e-01 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        [ a owl:Restriction ;
            owl:hasValue "d" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Deci"@en .

emmo:EMMO_18448443_dcf1_49b8_a321_cf46e2c393e1 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Unit for quantities of dimension one that are the fraction of two masses."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Unit for mass fraction."@en ;
    rdfs:subClassOf emmo:EMMO_c2f5ee66_579c_44c6_a2e9_fa2eaa9fa4da ;
    skos:prefLabel "MassFractionUnit"@en .

emmo:EMMO_1c2226a9_22f0_40c8_8928_5a01d398f96e a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T+1 L+1 M0 I+1 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "MagneticDipoleMomentDimension"@en .

emmo:EMMO_1d8b370b_c672_4d0c_964e_eaafcbf2f51f a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "da" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e+01 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Deka"@en .

emmo:EMMO_1e0b665d_db6c_4752_a6d4_262d3a8dbb46 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/ARCMIN" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "Measure of plane angle defined as 1/60 or a degree."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "′" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_3227b821_26a5_4c7c_9c01_5c24483e0bd0 ],
        emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac ;
    skos:altLabel "MinuteOfArc"@en ;
    skos:prefLabel "ArcMinute"@en .

emmo:EMMO_1f087811_06cb_42d5_90fb_25d0e7e068ef a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Force" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Force" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Any interaction that, when unopposed, will change the motion of an object"@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+1 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.F02480" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Force"@en .

emmo:EMMO_21aaefc1_3f86_4208_b7db_a755f31f0f8c a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "h" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e+02 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Hecto"@en .

emmo:EMMO_21ef2ed6_c086_4d24_8a75_980d2bcc9282 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/HR" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "Measure of time defined as 3600 seconds."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.H02866" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_02e894c3_b793_4197_b120_3442e08f58d1 ],
        [ a owl:Restriction ;
            owl:hasValue "h" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac ;
    skos:prefLabel "Hour"@en .

emmo:EMMO_2337e25c_3c60_43fc_a8f9_b11a3f974291 a owl:ObjectProperty ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The generic EMMO semiotical relation."@en ;
    rdfs:subPropertyOf emmo:EMMO_ec2472ae_cf4a_46a5_8555_1556f5a6c3c5 ;
    skos:prefLabel "semiotical"@en .

emmo:EMMO_23bfe79a_cade_48f1_9a8c_fd96e6bac8ba a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "f" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e-15 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Femto"@en .

emmo:EMMO_251cfb4f_5c75_4778_91ed_6c8395212fd8 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Property' that cannot be univocally determined and depends on an agent (e.g. a human individual, a community) acting as black-box."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """The beauty of that girl.
The style of your clothing."""@en ;
    rdfs:comment """The word subjective means that a non-well defined or an unknown procedure is used for the definition of the property.

This happens due to e.g. the complexity of the object, the lack of a underlying model for the representation of the object, the non-well specified meaning of the property symbols.

A 'SubjectiveProperty' cannot be used to univocally compare 'Object'-s.

e.g. you cannot evaluate the beauty of a person on objective basis."""@en ;
    rdfs:subClassOf emmo:EMMO_b7bcff25_ffc3_474e_9ab5_01b1664bd4ba ;
    skos:prefLabel "SubjectiveProperty"@en .

emmo:EMMO_254472c6_3dbd_4f02_bc43_571389cd281f a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e-21 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        [ a owl:Restriction ;
            owl:hasValue "z" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Zepto"@en .

emmo:EMMO_27c5d8c6_8af7_4d63_beb1_ec37cd8b3fa3 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An 'equation' that stands for a 'physical_law' by mathematically defining the relations between physics_quantities."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """The Newton's equation of motion.

The Schrödinger equation.

The Navier-Stokes equation."""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_24c71baf_6db6_48b9_86c8_8c70cf36db0c ] ;
            owl:someValuesFrom emmo:EMMO_314d0bd5_67ed_437e_a609_36d46147cea7 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:someValuesFrom emmo:EMMO_02c0621e_a527_4790_8a0f_2bb51973c819 ],
        emmo:EMMO_e56ee3eb_7609_4ae1_8bed_51974f0960a6,
        emmo:EMMO_f7ed665b_c2e1_42bc_889b_6b42ed3a36f0 ;
    skos:prefLabel "PhysicsEquation"@en .

emmo:EMMO_28ef05a7_ecc1_4df6_8116_c53251fbd4a8 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/DAY" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Day" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "A measure of time defined as 86 400 seconds."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.D01527" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_02e894c3_b793_4197_b120_3442e08f58d1 ],
        [ a owl:Restriction ;
            owl:hasValue "d" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac ;
    skos:prefLabel "Day"@en .

emmo:EMMO_29afdf54_90ae_4c98_8845_fa9ea3f143a8 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An equation that define a new variable in terms of other mathematical entities."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """The definition of velocity as v = dx/dt.

The definition of density as mass/volume.

y = f(x)"""@en ;
    rdfs:subClassOf emmo:EMMO_e56ee3eb_7609_4ae1_8bed_51974f0960a6 ;
    skos:prefLabel "DefiningEquation"@en .

emmo:EMMO_2dd512a1_5187_47cc_b0b8_141214e22b59 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A coarse dispersion of solid in a solid continuum phase."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Granite, sand, dried concrete."@en ;
    rdfs:subClassOf emmo:EMMO_4a464c8d_8895_44a8_a628_aed13509f1bd,
        emmo:EMMO_a2b006f2_bbfd_4dba_bcaa_3fca20cd6be1 ;
    skos:prefLabel "SolidSolidSuspension"@en .

emmo:EMMO_2e5e45fc_f52c_4294_bdc2_5ed7a06dfce7 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/K" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "The kelvin, symbol K, is the SI unit of thermodynamic temperature. It is defined by taking the fixed numerical value of the Boltzmann constant k to be 1.380649×10−23 when expressed in the unit J K−1, which is equal to kg m2 s−2 K−1, where the kilogram, metre and second are defined in terms of h, c and ∆νCs."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.K03374" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "K" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_a77a0a4b_6bd2_42b2_be27_4b63cebbb59e ],
        emmo:EMMO_3a185e6c_9e19_4776_b583_19c978156aa0 ;
    skos:prefLabel "Kelvin"@en .

emmo:EMMO_2e7e5796_4a80_4d73_bb84_f31138446c0c a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-3 L+2 M+1 I-1 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "ElectricPotentialDimension"@en .

emmo:EMMO_314ba716_2d3d_4462_9a4f_d3419ae1df43 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/SEC" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "The second, symbol s, is the SI unit of time. It is defined by taking the fixed numerical value of the caesium frequency ∆νCs, the unperturbed ground-state hyperfine transition frequency of the caesium 133 atom, to be 9192631770 when expressed in the unit Hz, which is equal to s−1."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.S05513" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "s" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_02e894c3_b793_4197_b120_3442e08f58d1 ],
        emmo:EMMO_3a185e6c_9e19_4776_b583_19c978156aa0 ;
    skos:prefLabel "Second"@en .

emmo:EMMO_321af35f_f0cc_4a5c_b4fe_8c2c0303fb0c a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T+3 L-2 M-1 I+2 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "ElectricConductanceDimension"@en .

emmo:EMMO_33b67e69_3645_4c73_b100_5ea6759221b4 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/KAT" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.K03372" ;
    rdfs:comment "Measurement unit for catalytic activity."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "kat" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_ce7d4720_aa20_4a8c_93e8_df41a35b6723 ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Katal"@en .

emmo:EMMO_33e0ac8b_a318_4285_b1de_e95347784632 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A coarse dispersion of liquid in a solid continuum phase."@en ;
    rdfs:subClassOf emmo:EMMO_4a464c8d_8895_44a8_a628_aed13509f1bd,
        emmo:EMMO_a2b006f2_bbfd_4dba_bcaa_3fca20cd6be1 ;
    skos:prefLabel "SolidLiquidSuspension"@en .

emmo:EMMO_39c3815d_8cae_4c8f_b2ff_eeba24bec455 a owl:ObjectProperty ;
    rdfs:range emmo:EMMO_d7788d1a_020d_4c78_85a1_13563fcec168 ;
    rdfs:subPropertyOf emmo:EMMO_60577dea_9019_4537_ac41_80b0fb563d41 ;
    skos:prefLabel "hasIcon"@en .

emmo:EMMO_3a204900_2b33_47d1_b444_815cc4c8cffa a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e+12 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        [ a owl:Restriction ;
            owl:hasValue "T" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Tera"@en .

emmo:EMMO_3f9ae00e_810c_4518_aec2_7200e424cf68 a owl:Class ;
    emmo:EMMO_705f27ae_954c_4f13_98aa_18473fc52b25 "From Latin quantum (plural quanta) \"as much as, so much as;\", introduced in physics directly from Latin by Max Planck, 1900."@en ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The class of 'EMMO' individuals that stand for real world objects that can't be further divided in time nor in space."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """For a physics based ontology the 'Quantum' can stand for the smallest identifiable portion of spacetime defined by the Planck limit in length (1.616e-35 m) and time (5.39e-44 s).

However, the quantum mereotopology approach is not restricted only to physics. For example, in a manpower management ontology, a 'Quantum' can stand for an hour (time) of a worker (space) activity."""@en ;
    rdfs:comment """A 'Quantum' is the most fundamental subclass of 'Item', since its individuals stand for the smallest possible self-connected 4D real world objects.

The quantum concept recalls the fact that there is lower epistemological limit to our knowledge of the universe, related to the uncertainity principle."""@en,
        "A 'Quantum' stands for a 4D real world object."@en,
        """A quantum is the EMMO mereological 4D a-tomic entity.

To avoid confusion with the concept of atom coming from physics, we will use the expression quantum mereology, instead of a-tomistic mereology."""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom owl:Nothing ;
            owl:onProperty emmo:EMMO_9380ab64_0363_4804_b13f_3a8a94119a76 ],
        emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de ;
    skos:prefLabel "Quantum"@en .

emmo:EMMO_42185fe7_122c_4e0c_a3cd_659d3e21c389 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A coarse dispersion of gas in a liquid continuum phase."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Sparkling water"@en ;
    rdfs:subClassOf emmo:EMMO_4a464c8d_8895_44a8_a628_aed13509f1bd,
        emmo:EMMO_7509da43_56b1_4d7f_887a_65d1663df4ba ;
    skos:prefLabel "LiquidGasSuspension"@en .

emmo:EMMO_42955b2d_b465_4666_86cc_ea3c2d685753 a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "a" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e-18 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Atto"@en .

emmo:EMMO_43a6b269_da31_4bb6_a537_c97df4fff32a a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "P" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e+15 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Peta"@en .

emmo:EMMO_44da6d75_54a4_4aa8_bd3a_156f6e9abb8e a owl:Class ;
    emmo:EMMO_50c298c2_55a2_4068_b3ac_4e948c33181f "http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=113-03-12" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "Vector r characterizing a point P in a point space with a given origin point O."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L+1 M0 I0 Θ0 N0 J0" ;
    rdfs:comment """In the usual geometrical three-dimensional space, position vectors are quantities of the dimension length.

-- IEC"""@en,
        """Position vectors are so-called bounded vectors, i.e. their magnitude and direction depend on the particular coordinate system used.

-- ISO 80000-3"""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_8ef3cd6d_ae58_4a8d_9fc0_ad8f49015cd0 ;
            owl:someValuesFrom emmo:EMMO_2ff07b07_c447_490f_903a_f6a72a12d7bf ],
        emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:altLabel "Position"@en ;
    skos:prefLabel "PositionVector"@en .

emmo:EMMO_4588526f_8553_4f4d_aa73_a483e88d599b a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A standalone atom that has no net charge."@en ;
    rdfs:subClassOf emmo:EMMO_2fd3f574_5e93_47fe_afca_ed80b0a21ab4 ;
    skos:prefLabel "NeutralAtom"@en .

emmo:EMMO_46f0f8df_4dc6_418f_8036_10427a3a288e a owl:Class ;
    rdfs:subClassOf emmo:EMMO_b5957cef_a287_442d_a3ce_fd39f20ba1cd ;
    skos:altLabel "3-manifold"@en ;
    skos:prefLabel "TwoManifold"@en .

emmo:EMMO_47fe2379_be21_48d1_9ede_402f0faf494b a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A coarse dispersion of liquid in a liquid continuum phase."@en ;
    rdfs:subClassOf emmo:EMMO_4a464c8d_8895_44a8_a628_aed13509f1bd,
        emmo:EMMO_7509da43_56b1_4d7f_887a_65d1663df4ba ;
    skos:prefLabel "LiquidLiquidSuspension"@en .

emmo:EMMO_4b3e2374_52a1_4420_8e3f_3ae6b9bf7dff a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A liquid solution made of two or more component substances."@en ;
    rdfs:subClassOf emmo:EMMO_2031516a_2be7_48e8_9af7_7e1270e308fe,
        emmo:EMMO_7509da43_56b1_4d7f_887a_65d1663df4ba ;
    skos:prefLabel "LiquidSolution"@en .

emmo:EMMO_4c21fb86_fdcf_444e_b498_86fe656295af a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A fluid in which a gas is ionized to a level where its electrical conductivity allows long-range electric and magnetic fields to dominate its behaviour."@en ;
    rdfs:subClassOf emmo:EMMO_87ac88ff_8379_4f5a_8c7b_424a8fff1ee8,
        emmo:EMMO_b9695e87_8261_412e_83cd_a86459426a28 ;
    skos:prefLabel "Plasma"@en .

emmo:EMMO_4c49ab58_a6f6_409e_b849_f873ae1dcbee a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-2 L+2 M+1 I-1 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "MagneticFluxDimension"@en .

emmo:EMMO_50bf79a6_a48b_424d_9d2c_813bd631231a a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Length" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Luminous_intensity" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A measure of the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle. It is based on the luminosity function, which is a standardized model of the sensitivity of the human eye."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N0 J+1" ;
    rdfs:subClassOf emmo:EMMO_1a4c1a97_88a7_4d8e_b2f9_2ca58e92dde4 ;
    skos:prefLabel "LuminousIntensity"@en .

emmo:EMMO_52e4cb25_da39_45e2_a6db_063ec5730499 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The centimetre–gram–second (CGS) system of units."@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Centimetre%E2%80%93gram%E2%80%93second_system_of_units" ;
    rdfs:comment "CGS is a variant of the metric system."@en ;
    rdfs:subClassOf emmo:EMMO_b081b346_7279_46ef_9a3d_2c088fcd79f4 ;
    skos:prefLabel "CGSUnit"@en .

emmo:EMMO_53bd0c90_41c3_46e2_8779_cd2a80f7e18b a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-2 L-1 M+1 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "PressureDimension"@en .

emmo:EMMO_53e825d9_1a09_483c_baa7_37501ebfbe1c a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-2 L+1 M+1 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "ForceDimension"@en .

emmo:EMMO_585e0ff0_9429_4d3c_b578_58abb1ba21d1 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-2 L+2 M+1 I-2 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "InductanceDimension"@en .

emmo:EMMO_59c10c5c_47bd_4348_ba39_38836607dfa1 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/OHM" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.O04280" ;
    rdfs:comment "Measurement unit for resistance."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "Ω" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_7610efb8_c7c6_4684_abc1_774783c62472 ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Ohm"@en .

emmo:EMMO_5cf9f86c_86f5_40c4_846d_60371f670e0a a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e+18 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        [ a owl:Restriction ;
            owl:hasValue "E" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Exa"@en .

emmo:EMMO_5d659e25_a508_43ed_903c_3707c7c7cd4b a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Nanomaterials are Materials possessing, at minimum, one external dimension measuring 1-100nm"@en ;
    rdfs:subClassOf emmo:EMMO_4207e895_8b83_4318_996a_72cfb32acd94 ;
    skos:prefLabel "NanoMaterial"@en .

emmo:EMMO_5eaecadc_4f0d_4a3a_afc7_1fc0b83cc928 a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e+06 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        [ a owl:Restriction ;
            owl:hasValue "M" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Mega"@en .

emmo:EMMO_62f0d847_3603_45b4_bfc4_dd4511355ff2 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Measurement unit obtained by multiplying a given measurement unit by an integer greater than one."@en ;
    rdfs:subClassOf emmo:EMMO_c6d4a5e0_7e95_44df_a6db_84ee0a8bbc8e ;
    skos:prefLabel "MultipleUnit"@en .

emmo:EMMO_668e6ead_1530_40cc_ad5e_24b880edff50 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T0 L-2 M0 I0 Θ0 N0 J+1" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "IlluminanceDimension"@en .

emmo:EMMO_668fbd5b_6f1b_405c_9c6b_d6067bd0595a a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A matter object throughout which all physical properties of a material are essentially uniform."@en ;
    rdfs:comment """In the physical sciences, a phase is a region of space (a thermodynamic system), throughout which all physical properties of a material are essentially uniform. Examples of physical properties include density, index of refraction, magnetization and chemical composition. A simple description is that a phase is a region of material that is chemically uniform, physically distinct, and (often) mechanically separable. In a system consisting of ice and water in a glass jar, the ice cubes are one phase, the water is a second phase, and the humid air is a third phase over the ice and water. The glass of the jar is another separate phase.

The term phase is sometimes used as a synonym for state of matter, but there can be several immiscible phases of the same state of matter. Also, the term phase is sometimes used to refer to a set of equilibrium states demarcated in terms of state variables such as pressure and temperature by a phase boundary on a phase diagram. Because phase boundaries relate to changes in the organization of matter, such as a change from liquid to solid or a more subtle change from one crystal structure to another, this latter usage is similar to the use of "phase" as a synonym for state of matter. However, the state of matter and phase diagram usages are not commensurate with the formal definition given above and the intended meaning must be determined in part from the context in which the term is used.

[https://en.wikipedia.org/wiki/Phase_(matter)]"""@en ;
    rdfs:subClassOf emmo:EMMO_8b0923ab_b500_477b_9ce9_8b3a3e4dc4f2 ;
    skos:prefLabel "PhaseOfMatter"@en .

emmo:EMMO_66d01570_36dd_42fd_844d_29b81b029cd5 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/AngularMomentum" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Angular_momentum" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-1 L+2 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.A00353" ;
    rdfs:comment "Measure of the extent and direction an object rotates about a reference point."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "AngularMomentum"@en .

emmo:EMMO_696ed548_9477_45ea_993c_6a8f5271914a a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/C" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.C01365" ;
    rdfs:comment "Measurement unit for electric charge."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "C" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_ab79e92b_5377_454d_be06_d61b50db295a ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Coulomb"@en .

emmo:EMMO_6a4547ab_3abb_430d_b81b_ce32d47729f5 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/ARCSEC" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "Measure of plane angle defined as 1/3600 or a degree."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_3227b821_26a5_4c7c_9c01_5c24483e0bd0 ],
        [ a owl:Restriction ;
            owl:hasValue "″" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac ;
    skos:altLabel "SecondOfArc"@en ;
    skos:prefLabel "ArcSecond"@en .

emmo:EMMO_6b7276a4_4b9d_440a_b577_0277539c0fc4 a owl:AsymmetricProperty,
        owl:IrreflexiveProperty,
        owl:ObjectProperty ;
    rdfs:domain emmo:EMMO_2d2ecd97_067f_4d0e_950c_d746b7700a31 ;
    rdfs:range emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de ;
    rdfs:subPropertyOf emmo:EMMO_9380ab64_0363_4804_b13f_3a8a94119a76 ;
    skos:prefLabel "hasMember"@en .

emmo:EMMO_6c7160fc_cc64_46f0_b43b_aba65e9952e3 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/B" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "One bel is defined as `1⁄2 ln(10) neper`."@en ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Unit of measurement for quantities of type level or level difference."@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Decibel" ;
    rdfs:comment "Today decibel (one tenth of a bel) is commonly used instead of bel."@en,
        "bel is used to express the ratio of one value of a power or field quantity to another, on a logarithmic scale, the logarithmic quantity being called the power level or field level, respectively."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_3227b821_26a5_4c7c_9c01_5c24483e0bd0 ],
        [ a owl:Restriction ;
            owl:hasValue "B" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac ;
    skos:prefLabel "Bel"@en .

emmo:EMMO_6e046dd0_9634_4013_b2b1_9cc468087c83 a owl:ObjectProperty,
        owl:TransitiveProperty ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A relation that isolates a proper part that extends itself in time through a portion of the lifetime whole." ;
    rdfs:domain emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de ;
    rdfs:range emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de ;
    rdfs:subPropertyOf emmo:EMMO_9380ab64_0363_4804_b13f_3a8a94119a76 ;
    skos:prefLabel "hasSpatioTemporalPart"@en .

emmo:EMMO_71d1c8f0_c6e3_44b5_a4b6_1b74ff35698a a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A manufacturing process whose product is the result of the combination of more substances."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Synthesis of materials, the preparation of a cake."@en ;
    rdfs:subClassOf emmo:EMMO_a4d66059_5dd3_4b90_b4cb_10960559441b ;
    skos:prefLabel "ContinuumManufacturing"@en .

emmo:EMMO_74931b1b_c133_4e59_9a75_1bf0e1626201 a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "k" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e+03 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Kilo"@en .

emmo:EMMO_7610efb8_c7c6_4684_abc1_774783c62472 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-3 L+2 M+1 I-2 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "ElectricResistanceDimension"@en .

emmo:EMMO_7db11dbf_a643_464a_9b56_07eabcc3e9c5 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/M" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "The metre, symbol m, is the SI unit of length. It is defined by taking the fixed numerical value of the speed of light in vacuum c to be 299792458 when expressed in the unit m s−1, where the second is defined in terms of ∆νCs."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.M03884" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "m" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_b3600e73_3e05_479d_9714_c041c3acf5cc ],
        emmo:EMMO_3a185e6c_9e19_4776_b583_19c978156aa0 ;
    skos:prefLabel "Metre"@en .

emmo:EMMO_7dea2572_ab42_45bd_9fd7_92448cec762a a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """A set of one or more 'MeasuringInstruments' and often other devices, including any reagent and supply, assembled and adapted to give information used to generate 'MeasuredQuantityProperty' within specified intervals for quantities of specified kinds.

-- VIM"""@en ;
    emmo:EMMO_bb49844b_45d7_4f0d_8cae_8e552cbc20d6 "measuring system"@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_17e27c22_37e1_468c_9dd7_95e137f73e7f ;
            owl:someValuesFrom emmo:EMMO_f2d5d3ad_2e00_417f_8849_686f3988d929 ],
        emmo:EMMO_1b52ee70_121e_4d8d_8419_3f97cd0bd89c ;
    skos:prefLabel "MeasuringSystem"@en .

emmo:EMMO_81369540_1b0e_471b_9bae_6801af22800e a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Speed" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Speed" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-1 L+1 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_e55f2d7c_9893_48cd_b4a4_fdf38253bd20 "http://www.ontology-of-units-of-measure.org/resource/om-2/Speed" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.S05852" ;
    rdfs:comment """Length per unit time.

Speed in the absolute value of the velocity."""@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Speed"@en .

emmo:EMMO_8159c26a_494b_4fa0_9959_10888f152298 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/AmountOfSubstance" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Amount_of_substance" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The number of elementary entities present."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N+1 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.A00297" ;
    rdfs:comment """"In the name “amount of substance”, the word “substance” will typically be replaced by words to specify the substance concerned in any particular application, for example “amount of hydrogen chloride, HCl”, or “amount of benzene, C6H6 ”. It is important to give a precise definition of the entity involved (as emphasized in the definition of the mole); this should preferably be done by specifying the molecular chemical formula of the material involved. Although the word “amount” has a more general dictionary definition, the abbreviation of the full name “amount of substance” to “amount” may be used for brevity."

-- SI Brochure"""@en ;
    rdfs:subClassOf emmo:EMMO_1a4c1a97_88a7_4d8e_b2f9_2ca58e92dde4 ;
    skos:prefLabel "AmountOfSubstance"@en .

emmo:EMMO_852b4ab8_fc29_4749_a8c7_b92d4fca7d5a a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Frequency" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Frequency" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Number of periods per time interval."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-1 L0 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.FT07383" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Frequency"@en .

emmo:EMMO_8786cb47_8e1f_4968_9b15_f6d41fc51252 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A manufacturing process aimed to the production of a device made of specific components."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Assemblying a bicycle, building a car."@en ;
    rdfs:subClassOf emmo:EMMO_a4d66059_5dd3_4b90_b4cb_10960559441b ;
    skos:prefLabel "DiscreteManufacturing"@en .

emmo:EMMO_8a70dea4_d6ab_4260_b931_a3e990982416 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/J" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.J03363" ;
    rdfs:comment "Measurement unit for energy."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "J" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_f6070071_d054_4b17_9d2d_f446f7147d0f ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Joule"@en .

emmo:EMMO_8c898653_1118_4682_9bbf_6cc334d16a99 a owl:ObjectProperty,
        owl:TransitiveProperty ;
    rdfs:comment "Enclosure is reflexive and transitive."@en ;
    rdfs:subPropertyOf [ owl:inverseOf emmo:EMMO_6703954e_34c4_4a15_a9e7_f313760ae1a8 ],
        emmo:EMMO_6703954e_34c4_4a15_a9e7_f313760ae1a8 ;
    skos:prefLabel "encloses"@en .

emmo:EMMO_8d00f093_3f45_4ea3_986c_b3545c3c2f4c a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/CD" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "The candela, symbol cd, is the SI unit of luminous intensity in a given direction. It is defined by taking the fixed numerical value of the luminous efficacy of monochromatic radiation of frequency 540×1012 Hz, Kcd, to be 683 when expressed in the unit lm W−1, which is equal to cd sr W−1, or cd sr kg−1 m−2 s3, where the kilogram, metre and second are defined in terms of h, c and ∆νCs."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.C00787" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_14ff4393_0f28_4fb4_abc7_c2cc00bc761d ],
        [ a owl:Restriction ;
            owl:hasValue "cd" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_3a185e6c_9e19_4776_b583_19c978156aa0 ;
    skos:prefLabel "Candela"@en .

emmo:EMMO_8f87e700_99a8_4427_8ffb_e493de05c217 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_50781fd9_a9e4_46ad_b7be_4500371d188d ;
    skos:prefLabel "Proton"@en .

emmo:EMMO_94010cbc_c2a6_4cb9_b29a_83aa99d2ff70 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An aerosol composed of liquid droplets in air or another gas."@en ;
    rdfs:subClassOf emmo:EMMO_560d833a_6184_410c_859a_05d982712fd7 ;
    skos:prefLabel "LiquidAerosol"@en .

emmo:EMMO_96c8d72f_b436_44e2_9f7f_085c24094292 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An aerosol composed of fine solid particles in air or another gas."@en ;
    rdfs:subClassOf emmo:EMMO_560d833a_6184_410c_859a_05d982712fd7 ;
    skos:prefLabel "SolidAerosol"@en .

emmo:EMMO_9bbab0be_f9cc_4f46_9f46_0fd271911b79 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Entropy" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Entropy" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+2 M+1 I0 Θ-1 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.E02149" ;
    rdfs:comment "Logarithmic measure of the number of available states of a system."@en,
        "May also be referred to as a measure of order of  a system."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Entropy"@en .

emmo:EMMO_9bfd6f1e_b0ce_459c_beb7_8f1f41708bba a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/KiloGM" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "The kilogram, symbol kg, is the SI unit of mass. It is defined by taking the fixed numerical value of the Planck constant h to be 6.62607015×10−34 when expressed in the unit J s, which is equal to kg m2 s−1, where the metre and the second are defined in terms of c and ∆νCs."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.K03391" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "kg" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_77e9dc31_5b19_463e_b000_44c6e79f98aa ],
        emmo:EMMO_3a185e6c_9e19_4776_b583_19c978156aa0 ;
    skos:prefLabel "Kilogram"@en .

emmo:EMMO_9fd1e79d_41d1_44f8_8142_66dbdf0fc7ad a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Unit for quantities of dimension one that are the fraction of two volumes."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Unit for volume fraction."@en ;
    rdfs:subClassOf emmo:EMMO_c2f5ee66_579c_44c6_a2e9_fa2eaa9fa4da ;
    skos:prefLabel "VolumeFractionUnit"@en .

emmo:EMMO_9ff3bf8e_2168_406e_8251_1d158fc948ae a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e-06 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        [ a owl:Restriction ;
            owl:hasValue "µ" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Micro"@en .

emmo:EMMO_a121bb1d_5225_4c78_809b_0268c3012208 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/RAD" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Measure of plane angle."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.R05036" ;
    rdfs:comment "Dimensionless measurement unit for plane angle."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_3227b821_26a5_4c7c_9c01_5c24483e0bd0 ],
        [ a owl:Restriction ;
            owl:hasValue "rad" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_cdc962d8_f3ea_4764_a57a_c7caa4859179,
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Radian"@en .

emmo:EMMO_a155dc93_d266_487e_b5e7_2a2c72d5ebf9 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/L" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "A non-SI unit of volume defined as 1 cubic decimetre (dm3),"@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.L03594" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_9141801c_c539_4c72_b423_8c74ff6b8f05 ],
        [ a owl:Restriction ;
            owl:hasValue "l" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac ;
    skos:prefLabel "Litre"@en .

emmo:EMMO_a2f94f33_71fa_443c_a1fb_d1685fc537ec a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Measurement unit obtained by dividing a given measurement unit by an integer greater than one."@en ;
    rdfs:subClassOf emmo:EMMO_c6d4a5e0_7e95_44df_a6db_84ee0a8bbc8e ;
    skos:prefLabel "SubMultipleUnit"@en .

emmo:EMMO_a3a701ed_6f7d_4a10_9aee_dfa1961fc7b7 a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "m" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e-03 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Milli"@en .

emmo:EMMO_a80dc6f5_b1aa_41a7_a3a8_cd5040da2162 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/PA" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.P04442" ;
    rdfs:comment "Measurement unit for pressure."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "Pa" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_53bd0c90_41c3_46e2_8779_cd2a80f7e18b ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Pascal"@en .

emmo:EMMO_a8eb4bbb_1bd3_4ad4_b114_2789bcbd2134 a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e+09 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        [ a owl:Restriction ;
            owl:hasValue "G" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Giga"@en .

emmo:EMMO_a9201b2f_e6de_442a_b3a6_d292a5820bc5 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/FARAD" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.F02320" ;
    rdfs:comment "Measurement unit for electric capacitance."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_b14d9be5_f81e_469b_abca_379c2e83feab ],
        [ a owl:Restriction ;
            owl:hasValue "F" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Farad"@en .

emmo:EMMO_a979c531_f9fa_4a6e_93c1_a2960241ca64 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/N" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.N04135" ;
    rdfs:comment "Measurement unit for force."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "N" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_53e825d9_1a09_483c_baa7_37501ebfbe1c ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Newton"@en .

emmo:EMMO_ab79e92b_5377_454d_be06_d61b50db295a a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T+1 L0 M0 I+1 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "ElectricChargeDimension"@en .

emmo:EMMO_acb50123_87a2_4753_b36c_f87114ad4de2 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/T" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.T06283" ;
    rdfs:comment "Measurement unit for magnetic flux density or induction."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "T" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_ec903946_ddc9_464a_903c_7373e0d1eeb5 ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Tesla"@en .

emmo:EMMO_ae15fb4f_8e4d_41de_a0f9_3997f89ba6a2 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'varaible' that stand for a well known constant."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "π refers to the constant number ~3.14"@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_4ce76d7f_03f8_45b6_9003_90052a79bfaa ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        emmo:EMMO_1eed0732_e3f1_4b2c_a9c4_b4e75eeb5895 ;
    skos:prefLabel "Constant"@en .

emmo:EMMO_affe07e4_e9bc_4852_86c6_69e26182a17f a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "qudt.org/vocab/quantitykind/ThermodynamicTemperature" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Thermodynamic_temperature" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Thermodynamic temperature is the absolute measure of temperature. It is defined by the third law of thermodynamics in which the theoretically lowest temperature is the null or zero point."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ+1 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.T06321" ;
    rdfs:subClassOf emmo:EMMO_1a4c1a97_88a7_4d8e_b2f9_2ca58e92dde4 ;
    skos:prefLabel "ThermodynamicTemperature"@en .

emmo:EMMO_b14d9be5_f81e_469b_abca_379c2e83feab a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T+4 L-2 M-1 I+2 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "CapacitanceDimension"@en .

emmo:EMMO_b20be325_8bfd_4237_bee7_201ab0fd9c75 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/DEG_C" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.D01561" ;
    rdfs:comment "Measurement unit for Celsius temperature. This unit can only be used for expressing temperature differences."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "°C" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_a77a0a4b_6bd2_42b2_be27_4b63cebbb59e ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "DegreeCelsius"@en .

emmo:EMMO_b32b1cfb_6917_4d64_9633_04a00a93dd82 a emmo:EMMO_15db234d_ecaf_4715_9838_4b4ec424fb13,
        emmo:EMMO_2e9ace8a_1155_45b5_a066_d5fd9774e76c,
        emmo:EMMO_49267eba_5548_4163_8f36_518d65b583f9,
        emmo:EMMO_802d3e92_8770_4f98_a289_ccaaab7fdddf,
        emmo:EMMO_c5ddfdba_c074_4aa4_ad6b_1ac4942d300d,
        emmo:EMMO_e0954911_fc88_492a_9830_fdb238e28cc2,
        emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de,
        owl:NamedIndividual,
        owl:Thing ;
    emmo:EMMO_499e24a5_5072_4c83_8625_fe3f96ae4a8d emmo:EMMO_3ba933ab_81ba_4e9d_a003_6bca732201b0 ;
    skos:prefLabel "b"@en .

emmo:EMMO_b41515a9_28d8_4d78_8165_74b2fc72f89e a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/NP" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Neper" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 """Unit of measurement for quantities of type level or level difference, which are defined as the natural logarithm of the ratio of power- or field-type quantities.

The value of a ratio in nepers is given by `ln(x1/x2)` where `x1` and `x2` are the values of interest (amplitudes), and ln is the natural logarithm. When the values are quadratic in the amplitude (e.g. power), they are first linearised by taking the square root before the logarithm is taken, or equivalently the result is halved.

Wikipedia"""@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Neper" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.N04106" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_3227b821_26a5_4c7c_9c01_5c24483e0bd0 ],
        [ a owl:Restriction ;
            owl:hasValue "Np" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac ;
    skos:prefLabel "Neper"@en .

emmo:EMMO_b55cd09a_e54d_4eb1_81dd_03c29d1b878e a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e-02 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        [ a owl:Restriction ;
            owl:hasValue "c" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Centi"@en .

emmo:EMMO_b71e4ba5_8f73_4199_8c96_7ea7f94d9e2a a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/BQ" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "Radioactive decays per second."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.B00624" ;
    rdfs:comment "Unit for radioactive activity."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_515b5579_d526_4842_9e6f_ecc34db6f368 ],
        [ a owl:Restriction ;
            owl:hasValue "Bq" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Becquerel"@en .

emmo:EMMO_b8830065_3809_41b7_be3c_e33795567fd9 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/DEG" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Degree_(angle)" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "Degree is a measurement of plane angle, defined by representing a full rotation as 360 degrees."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.D01560" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "°" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_3227b821_26a5_4c7c_9c01_5c24483e0bd0 ],
        emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac ;
    skos:prefLabel "Degree"@en .

emmo:EMMO_c457b6b9_5e73_4853_ae08_d776c12b8058 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A coarse dispersion of gas in a solid continuum phase."@en ;
    rdfs:subClassOf emmo:EMMO_4a464c8d_8895_44a8_a628_aed13509f1bd,
        emmo:EMMO_a2b006f2_bbfd_4dba_bcaa_3fca20cd6be1 ;
    skos:prefLabel "SolidGasSuspension"@en .

emmo:EMMO_c46f091c_0420_4c1a_af30_0a2c8ebcf7d7 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """"Quantity, defined by a conventional measurement procedure, for which a total ordering relation can be established, according to magnitude, with other quantities of the same kind, but for which no algebraic operations among those quantities exist"
International vocabulary of metrology (VIM)"""@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """Hardness
Resilience"""@en ;
    rdfs:comment """"Ordinal quantities, such as Rockwell C hardness, are usually not considered to be part of a system of quantities because they are related to other quantities through empirical relations only."
International vocabulary of metrology (VIM)"""@en ;
    rdfs:subClassOf emmo:EMMO_f658c301_ce93_46cf_9639_4eace2c5d1d5 ;
    skos:prefLabel "OrdinalQuantity"@en .

emmo:EMMO_c8d084ad_f88e_4596_8e4d_982c6655ce6f a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-3 L+2 M+1 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "PowerDimension"@en .

emmo:EMMO_c995ae70_3b84_4ebb_bcfc_69e6a281bb88 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/ElectricCurrent" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Electric_current" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A flow of electric charge."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I+1 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.E01927" ;
    rdfs:subClassOf emmo:EMMO_1a4c1a97_88a7_4d8e_b2f9_2ca58e92dde4 ;
    skos:prefLabel "ElectricCurrent"@en .

emmo:EMMO_cabb20f0_05c7_448f_9485_e129725f15a4 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/MIN" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Minute" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "Non-SI time unit defined as 60 seconds."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "min" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_02e894c3_b793_4197_b120_3442e08f58d1 ],
        emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac ;
    skos:prefLabel "Minute"@en .

emmo:EMMO_cd2cd0de_e0cc_4ef1_b27e_2e88db027bac a owl:Class ;
    emmo:EMMO_50c298c2_55a2_4068_b3ac_4e948c33181f "http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=113-01-19" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Length" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Extend of a spatial dimension."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L+1 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.L03498" ;
    rdfs:comment "Length is a non-negative additive quantity attributed to a one-dimensional object in space."@en ;
    rdfs:subClassOf emmo:EMMO_1a4c1a97_88a7_4d8e_b2f9_2ca58e92dde4 ;
    skos:prefLabel "Length"@en .

emmo:EMMO_ce7d4720_aa20_4a8c_93e8_df41a35b6723 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-1 L0 M0 I0 Θ0 N+1 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "CatalyticActivityDimension"@en .

emmo:EMMO_cf3dd6cc_c5d6_4b3d_aef4_82f3b7a361af a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/SR" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Dimensionless measurement unit for solid angle."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.S05971" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "sr" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_3227b821_26a5_4c7c_9c01_5c24483e0bd0 ],
        emmo:EMMO_6f4d704a_a7c6_4c07_b8a7_ea0bab04128f,
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Steradian"@en .

emmo:EMMO_d0200cf1_e4f4_45ae_873f_b9359daea3cd a owl:Class ;
    rdfs:subClassOf emmo:EMMO_dd4a7f3e_ef56_466c_ac1a_d2716b5f87ec ;
    skos:prefLabel "ModelledQuantitativeProperty"@en .

emmo:EMMO_d4f7d378_5e3b_468a_baa1_a7e98358cda7 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "qudt.org/vocab/quantitykind/Time" ;
    emmo:EMMO_50c298c2_55a2_4068_b3ac_4e948c33181f "http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=113-01-03" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Time" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "One-dimensional subspace of space-time, which is locally orthogonal to space."@en ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The indefinite continued progress of existence and events that occur in apparently irreversible succession from the past through the present to the future."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T+1 L0 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.T06375" ;
    rdfs:comment "Time can be seen as the duration of an event or, more operationally, as \"what clocks read\"."@en ;
    rdfs:subClassOf emmo:EMMO_1a4c1a97_88a7_4d8e_b2f9_2ca58e92dde4 ;
    skos:prefLabel "Time"@en .

emmo:EMMO_d5f3e0e5_fc7d_4e64_86ad_555e74aaff84 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T0 L0 M0 I+1 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "ElectricCurrentDimension"@en .

emmo:EMMO_d6eb0176_a0d7_4b4e_8df0_50e912be2342 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/HA" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Hectare" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "A non-SI metric unit of area defined as the square with 100-metre sides."@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Hectare" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_33433bb1_c68f_45ee_a466_f01e2c57b214 ],
        [ a owl:Restriction ;
            owl:hasValue "ha" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac ;
    skos:prefLabel "Hectare"@en .

emmo:EMMO_d7b7fd1e_645a_42cb_8f40_85f0d034d3ae a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/LM" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.L03639" ;
    rdfs:comment "Measurement unit for luminous flux."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "lm" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_14ff4393_0f28_4fb4_abc7_c2cc00bc761d ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Lumen"@en .

emmo:EMMO_d7f11b34_a121_4519_87c0_aa754f1c4737 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/WB" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.W06666" ;
    rdfs:comment "Measurement unit for magnetic flux."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "Wb" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_4c49ab58_a6f6_409e_b849_f873ae1dcbee ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Weber"@en .

emmo:EMMO_d859588d_44dc_4614_bc75_5fcd0058acc8 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Wavenumber" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Wavenumber" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L-1 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_e55f2d7c_9893_48cd_b4a4_fdf38253bd20 "http://www.ontology-of-units-of-measure.org/resource/om-2/Wavenumber" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.W06664" ;
    rdfs:comment "The number of waves per unit length along the direction of propagation."@en ;
    rdfs:subClassOf emmo:EMMO_ecec2983_7c26_4f8d_a981_51ca29668baf ;
    skos:prefLabel "Wavenumber"@en .

emmo:EMMO_d8aa8e1f_b650_416d_88a0_5118de945456 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A quantitative property attributed by agreement to a quantity for a given purpose."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """The thermal conductivity of a copper sample in my laboratory can be assumed to be the conductivity that appears in the vendor specification. This value has been obtained by measurement of a sample which is not the one I have in my laboratory. This conductivity value is then a conventional quantitiative property assigned to my sample through a semiotic process in which no actual measurement is done by my laboratory.

If I don't believe the vendor, then I can measure the actual thermal conductivity. I then perform a measurement process that semiotically assign another value for the conductivity, which is a measured property, since is part of a measurement process.

Then I have two different physical quantities that are properties thanks to two different semiotic processes."""@en ;
    rdfs:comment "A property that is associated to an object by convention, or assumption."@en ;
    rdfs:subClassOf emmo:EMMO_dd4a7f3e_ef56_466c_ac1a_d2716b5f87ec ;
    skos:prefLabel "ConventionalQuantitativeProperty"@en .

emmo:EMMO_da1dd4a7_c611_4ad4_bef6_7646f28aa598 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/LUX" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.L03651" ;
    rdfs:comment "Measurement unit for illuminance."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "lx" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_668e6ead_1530_40cc_ad5e_24b880edff50 ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Lux"@en .

emmo:EMMO_daa9ee97_4c5f_42e5_918c_44d7523e8958 a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "Z" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e+21 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Zetta"@en .

emmo:EMMO_db03061b_db31_4132_a47a_6a634846578b a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A standalone atom with an unbalanced number of electrons with respect to its atomic number."@en ;
    rdfs:comment "The ion_atom is the basic part of a pure ionic bonded compound i.e. without eclectron sharing,"@en ;
    rdfs:subClassOf emmo:EMMO_2fd3f574_5e93_47fe_afca_ed80b0a21ab4 ;
    skos:prefLabel "IonAtom"@en .

emmo:EMMO_db5dd38d_ac79_4af6_8782_fee7e7150ae8 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/A" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "The ampere, symbol A, is the SI unit of electric current. It is defined by taking the fixed numerical value of the elementary charge e to be 1.602176634×10−19 when expressed in the unit C, which is equal to A s, where the second is defined in terms of ∆νCs."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.A00300" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "A" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_d5f3e0e5_fc7d_4e64_86ad_555e74aaff84 ],
        emmo:EMMO_3a185e6c_9e19_4776_b583_19c978156aa0 ;
    skos:prefLabel "Ampere"@en .

emmo:EMMO_dc232f53_8ed8_4ddd_9f41_cc057985eadb a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/SV" ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Equivalent_dose" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.S05658" ;
    rdfs:comment """Measurement unit for equivalent doseof ionizing radiation.

Sievert is derived from absorbed dose, but takes into account the biological effectiveness of the radiation, which is dependent on the radiation type and energy."""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_847f1d9f_205e_46c1_8cb6_a9e479421f88 ],
        [ a owl:Restriction ;
            owl:hasValue "Sv" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Sievert"@en .

emmo:EMMO_df6eeb01_1b41_4bd8_9257_a04fbd7cf000 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/MOL" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "The mole, symbol mol, is the SI unit of amount of substance. One mole contains exactly 6.022 140 76 × 1023 elementary entities. This number is the fixed numerical value of the Avogadro constant, NA, when expressed in the unit mol−1 and is called the Avogadro number. The amount of substance, symbol n, of a system is a measure of the number of specified elementary entities. An elementary entity may be an atom, a molecule, an ion, an electron, any other particle or specified group of particles."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.M03980" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "mol" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_e501069c_34d3_4dc7_ac87_c90c7342192b ],
        emmo:EMMO_3a185e6c_9e19_4776_b583_19c978156aa0 ;
    skos:prefLabel "Mole"@en .

emmo:EMMO_df808271_df91_4f27_ba59_fa423c51896c a owl:Class ;
    rdfs:subClassOf emmo:EMMO_50781fd9_a9e4_46ad_b7be_4500371d188d ;
    skos:prefLabel "Neutron"@en .

emmo:EMMO_e1981c25_7c55_4020_aa7a_d2e14ced86d4 a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "n" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e-09 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Nano"@en .

emmo:EMMO_e2207e91_02b0_4a8a_b13e_61d2a2a839f1 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/V" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.V06634" ;
    rdfs:comment "Measurement unit for voltage."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_2e7e5796_4a80_4d73_bb84_f31138446c0c ],
        [ a owl:Restriction ;
            owl:hasValue "V" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Volt"@en .

emmo:EMMO_e29f84db_4c1c_46ae_aa38_c4d47536b972 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/EV" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Electronvolt" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "The amount of energy gained (or lost) by the charge of a single electron moving across an electric potential difference of one volt."@en ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.E02014" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "eV" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_f6070071_d054_4b17_9d2d_f446f7147d0f ],
        emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac ;
    skos:prefLabel "ElectronVolt"@en .

emmo:EMMO_e501069c_34d3_4dc7_ac87_c90c7342192b a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T0 L0 M0 I0 Θ0 N+1 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "AmountDimension"@en .

emmo:EMMO_e5438930_04e7_4d42_ade5_3700d4a52ab7 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An 'equation' that stands for a physical assumption specific to a material, and provides an expression for a 'physics_quantity' (the dependent variable) as function of other variables, physics_quantity or data (independent variables)."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """The Lennard-Jones potential.

A force field.

An Hamiltonian."""@en ;
    rdfs:comment "A material_relation can e.g. return a predefined number, return a database query, be an equation that depends on other physics_quantities."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:someValuesFrom emmo:EMMO_02c0621e_a527_4790_8a0f_2bb51973c819 ],
        emmo:EMMO_e56ee3eb_7609_4ae1_8bed_51974f0960a6 ;
    skos:prefLabel "MaterialRelation"@en .

emmo:EMMO_e75f580e_52bf_4dd5_af70_df409cec08fd a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/HZ" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.H02785" ;
    rdfs:comment "Measurement unit for frequence."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_515b5579_d526_4842_9e6f_ecc34db6f368 ],
        [ a owl:Restriction ;
            owl:hasValue "Hz" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Hertz"@en .

emmo:EMMO_e79c62ff_10ad_4ec0_baba_c19ddd4eaa11 a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e+24 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        [ a owl:Restriction ;
            owl:hasValue "Y" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Yotta"@en .

emmo:EMMO_e7bc8939_7ff8_4917_beb5_c42730b390f3 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Unit for quantities of dimension one that are the fraction of two speeds."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Unit for refractive index."@en ;
    rdfs:subClassOf emmo:EMMO_c2f5ee66_579c_44c6_a2e9_fa2eaa9fa4da ;
    skos:prefLabel "SpeedFractionUnit"@en .

emmo:EMMO_e9e02156_651f_41c8_9efb_d5da0d4ce5e2 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A coarse dispersion of solids in a liquid continuum phase."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Mud"@en ;
    rdfs:subClassOf emmo:EMMO_4a464c8d_8895_44a8_a628_aed13509f1bd,
        emmo:EMMO_7509da43_56b1_4d7f_887a_65d1663df4ba ;
    skos:prefLabel "LiquidSolidSuspension"@en .

emmo:EMMO_ec903946_ddc9_464a_903c_7373e0d1eeb5 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-2 L0 M+1 I-1 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "MagneticFluxDensityDimension"@en .

emmo:EMMO_ecec2983_7c26_4f8d_a981_51ca29668baf a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/InverseLength" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Reciprocal_length" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The inverse of length."@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Reciprocal_length" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L-1 M0 I0 Θ0 N0 J0" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:altLabel "InverseLength" ;
    skos:prefLabel "ReciprocalLength"@en .

emmo:EMMO_f2523820_04a6_44ab_bb67_8237dda2b0c2 a owl:Class ;
    rdfs:comment "Measurement unit for electrical conductance."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_321af35f_f0cc_4a5c_b4fe_8c2c0303fb0c ],
        [ a owl:Restriction ;
            owl:hasValue "S" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Siemens"@en .

emmo:EMMO_f2d5d3ad_2e00_417f_8849_686f3988d929 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """Device used for making measurements, alone or in conjunction with one or more supplementary devices.

-- VIM"""@en ;
    emmo:EMMO_bb49844b_45d7_4f0d_8cae_8e552cbc20d6 "measuring instrument"@en ;
    rdfs:comment "A measuring instrument that can be used alone is a measuring system."@en ;
    rdfs:subClassOf emmo:EMMO_1b52ee70_121e_4d8d_8419_3f97cd0bd89c ;
    skos:prefLabel "MeasuringInstrument"@en .

emmo:EMMO_f5769206_9257_4b08_bf7b_dad7868c6afc a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "y" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Restriction ;
                    owl:hasValue 1e-24 ;
                    owl:onProperty emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 ] ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ],
        emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 ;
    skos:prefLabel "Yocto"@en .

emmo:EMMO_f76f5a24_d703_4e8c_b368_f9a7777cb73a a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Unit for quantities of dimension one that are the fraction of two amount of substance."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Unit for amount fraction."@en ;
    rdfs:subClassOf emmo:EMMO_c2f5ee66_579c_44c6_a2e9_fa2eaa9fa4da ;
    skos:prefLabel "AmountFractionUnit"@en .

emmo:EMMO_f835f4d4_c665_403d_ab25_dca5cc74be52 a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:someValuesFrom emmo:EMMO_50781fd9_a9e4_46ad_b7be_4500371d188d ],
        emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652,
        emmo:EMMO_7d66bde4_b68d_41cc_b5fc_6fd98c5e2ff0 ;
    skos:prefLabel "Nucleus"@en .

emmo:EMMO_f8b92999_3cde_46e3_99d5_664da3090a02 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/TON_M" ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "A non-SI unit defined as 1000 kg."@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Tonne" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.T06394" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "t" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_77e9dc31_5b19_463e_b000_44c6e79f98aa ],
        emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac ;
    skos:prefLabel "Tonne"@en .

emmo:EMMO_fab003c8_f7a6_4346_9988_7161325ed7a3 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/H" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.H02782" ;
    rdfs:comment "Measurement unit for electrical inductance."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_585e0ff0_9429_4d3c_b578_58abb1ba21d1 ],
        [ a owl:Restriction ;
            owl:hasValue "H" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ;
    skos:prefLabel "Henry"@en .

emmo:EMMO_fcc34119_3389_4bfe_b8b4_f3b94ffe10a8 a emmo:EMMO_15db234d_ecaf_4715_9838_4b4ec424fb13,
        emmo:EMMO_2e9ace8a_1155_45b5_a066_d5fd9774e76c,
        emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652,
        emmo:EMMO_49267eba_5548_4163_8f36_518d65b583f9,
        emmo:EMMO_802d3e92_8770_4f98_a289_ccaaab7fdddf,
        emmo:EMMO_c5ddfdba_c074_4aa4_ad6b_1ac4942d300d,
        emmo:EMMO_e0954911_fc88_492a_9830_fdb238e28cc2,
        emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de,
        owl:NamedIndividual,
        owl:Thing ;
    emmo:EMMO_499e24a5_5072_4c83_8625_fe3f96ae4a8d emmo:EMMO_b32b1cfb_6917_4d64_9633_04a00a93dd82 ;
    skos:prefLabel "a"@en .

emmo:EMMO_008fd3b2_4013_451f_8827_52bceab11841 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Process', that has participant an 'Interpreter', that is aimed to produce a 'Sign' representing another participant, the 'Object'."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """Me looking a cat and saying loud: "Cat!" -> the semiosis process

me -> interpreter
cat -> object (in Peirce semiotics)
the cat perceived by my mind -> interpretant
"Cat!" -> sign, the produced sign"""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_c5aae418_1622_4d02_93c5_21159e28e6c1 ;
            owl:someValuesFrom emmo:EMMO_6f5af708_f825_4feb_a0d1_a8d813d3022b ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_c5aae418_1622_4d02_93c5_21159e28e6c1 ;
            owl:someValuesFrom emmo:EMMO_0527413c_b286_4e9c_b2d0_03fb2a038dee ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_c5aae418_1622_4d02_93c5_21159e28e6c1 ;
            owl:someValuesFrom emmo:EMMO_b21a56ed_f969_4612_a6ec_cb7766f7f31d ],
        emmo:EMMO_43e9a05d_98af_41b4_92f6_00f79a09bfce ;
    skos:prefLabel "Semiosis"@en .

emmo:EMMO_0277f24a_ea7f_4917_81b7_fb0406c8fc62 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A union of classes that categorize physicals under a holistic perspective: the interest is on the whole 4D object (process) and the role of its 4D parts (participants) without going further into specifying the spatial hierarchy or the temporal position of each part."@en ;
    rdfs:comment """An holistic perspective considers each part of the whole as equally important, without the need of a granularity hierarchy (in time or space).

A molecule of a body can have role in the body evolution, without caring if its part of a specific organ and without specifying the time interval in which this role occurred.

This class allows the picking of parts without necessarily going trough a rigid hierarchy of spatial compositions (e.g. body -> organ -> cell -> molecule) or temporal composition."""@en,
        "Holism (from Greek ὅλος holos \"all, whole, entire\")."@en ;
    rdfs:subClassOf emmo:EMMO_49267eba_5548_4163_8f36_518d65b583f9 ;
    owl:equivalentClass [ a owl:Class ;
            owl:unionOf ( emmo:EMMO_43e9a05d_98af_41b4_92f6_00f79a09bfce emmo:EMMO_49804605_c0fe_4538_abda_f70ba1dc8a5d ) ] ;
    skos:prefLabel "Holistic"@en .

emmo:EMMO_054af807_85cd_4a13_8eba_119dfdaaf38b a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The interpreter's internal representation of the object in a semiosis process."@en ;
    rdfs:subClassOf emmo:EMMO_b21a56ed_f969_4612_a6ec_cb7766f7f31d ;
    skos:prefLabel "Interpretant"@en .

emmo:EMMO_06658d8d_dcde_4fc9_aae1_17f71c0bcdec a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "1-dimensional array who's spatial direct parts are numbers."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:someValuesFrom emmo:EMMO_21f56795_ee72_4858_b571_11cfaa59c1a8 ],
        emmo:EMMO_28fbea28_2204_4613_87ff_6d877b855fcd ;
    skos:altLabel "LinearArray",
        "1DArray"@en ;
    skos:prefLabel "Vector"@en .

emmo:EMMO_0cd58641_824c_4851_907f_f4c3be76630c a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Sign' that stands for an 'Object' due to causal continguity."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """Smoke stands for a combustion process (a fire).
My facial expression stands for my emotional status."""@en ;
    rdfs:subClassOf emmo:EMMO_b21a56ed_f969_4612_a6ec_cb7766f7f31d ;
    skos:prefLabel "Index"@en .

emmo:EMMO_0e030040_98a7_49b2_a871_dced1f3a6131 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A mixture in which more than one phases of matter cohexists."@en ;
    rdfs:comment """Phase heterogenous mixture may share the same state of matter.

For example, immiscibile liquid phases (e.g. oil and water) constitute a mixture whose phases are clearly separated but share the same state of matter."""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_9380ab64_0363_4804_b13f_3a8a94119a76 ;
            owl:someValuesFrom emmo:EMMO_668fbd5b_6f1b_405c_9c6b_d6067bd0595a ],
        emmo:EMMO_ec2c8ac8_98c5_4c74_b85b_ff8e8ca6655c ;
    skos:prefLabel "PhaseHeterogeneousMixture"@en .

emmo:EMMO_14ff4393_0f28_4fb4_abc7_c2cc00bc761d a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T0 L0 M0 I0 Θ0 N0 J+1" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "LuminousIntensityDimension"@en .

emmo:EMMO_1604f495_328a_4f28_9962_f4cc210739dd a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/ElectricCharge" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Electric_charge" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The physical property of matter that causes it to experience a force when placed in an electromagnetic field."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T+1 L0 M0 I+1 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.E01923" ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:altLabel "Charge"@en ;
    skos:prefLabel "ElectricCharge"@en .

emmo:EMMO_1cba0b27_15d0_4326_933f_379d0b3565b6 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "2-dimensional array who's spatial direct parts are vectors."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:someValuesFrom emmo:EMMO_06658d8d_dcde_4fc9_aae1_17f71c0bcdec ],
        emmo:EMMO_28fbea28_2204_4613_87ff_6d877b855fcd ;
    skos:altLabel "2DArray"@en ;
    skos:prefLabel "Matrix"@en .

emmo:EMMO_1f5e3e7e_72c9_40d4_91dd_ae432d7b7018 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A colloid formed by trapping pockets of gas in a liquid or solid."@en ;
    rdfs:subClassOf emmo:EMMO_6c487fb3_03d1_4e56_91ed_c2e16dcbef60 ;
    skos:prefLabel "Foam"@en .

emmo:EMMO_24c71baf_6db6_48b9_86c8_8c70cf36db0c a owl:ObjectProperty ;
    rdfs:subPropertyOf emmo:EMMO_39c3815d_8cae_4c8f_b2ff_eeba24bec455 ;
    skos:prefLabel "hasModel"@en .

emmo:EMMO_25f8b804_9a0b_4387_a3e7_b35bce5365ee a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The class of individuals that stand for photons elementary particles."@en ;
    rdfs:subClassOf emmo:EMMO_e5488299_8dab_4ebb_900a_26d2abed8396 ;
    skos:prefLabel "Photon"@en .

emmo:EMMO_29072ec4_ffcb_42fb_bdc7_26f05a2e9873 a owl:Class ;
    emmo:EMMO_705f27ae_954c_4f13_98aa_18473fc52b25 "From Latin vacuus, “empty”."@en ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Item' that has no 'Physical' parts."@en ;
    rdfs:comment "The void concept is paramount for the representation of physical systems according to quantum theory."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_29072ec4_ffcb_42fb_bdc7_26f05a2e9873 ;
            owl:onProperty emmo:EMMO_17e27c22_37e1_468c_9dd7_95e137f73e7f ],
        emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de ;
    skos:prefLabel "Void"@en .

emmo:EMMO_2d2ecd97_067f_4d0e_950c_d746b7700a31 a owl:Class ;
    emmo:EMMO_705f27ae_954c_4f13_98aa_18473fc52b25 "From Latin collectio, from colligere ‘gather together’."@en ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The class of all individuals that stand for a real world not self-connected object."@en ;
    rdfs:comment """A 'Collection' individual stands for a non-self-connected real world object.

A 'Collection' individual is related to each 'Item' individuals of the collection (i.e. the members) through the membership relation.

An 'Item' individual stands for a real world self-connected object which can be represented as a whole made of connected parts (e.g. a car made of components)."""@en,
        """Formally, 'Collection' is axiomatized as the class of individuals that hasMember some 'Item'.

A 'Collection' cannot have as member another 'Collection'."""@en,
        "e.g. the collection of users of a particular software, the collection of atoms that have been part of that just dissociated molecule, or even the collection of atoms that are part of a molecule considered as single individual non-connected objects and not as a mereotopological self-connected fusion."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_6b7276a4_4b9d_440a_b577_0277539c0fc4 ;
            owl:someValuesFrom emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de ],
        emmo:EMMO_802d3e92_8770_4f98_a289_ccaaab7fdddf ;
    skos:prefLabel "Collection"@en .

emmo:EMMO_2fd3f574_5e93_47fe_afca_ed80b0a21ab4 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An atom that does not share electrons with other atoms."@en ;
    rdfs:comment "A standalone atom can be bonded with other atoms by intermolecular forces (i.e. dipole–dipole, London dispersion force, hydrogen bonding), since this bonds does not involve electron sharing."@en ;
    rdfs:subClassOf emmo:EMMO_eb77076b_a104_42ac_a065_798b2d2809ad ;
    owl:disjointUnionOf ( emmo:EMMO_4588526f_8553_4f4d_aa73_a483e88d599b emmo:EMMO_db03061b_db31_4132_a47a_6a634846578b ) ;
    skos:prefLabel "StandaloneAtom"@en .

emmo:EMMO_2ff07b07_c447_490f_903a_f6a72a12d7bf a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A real vector with 3 elements."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "The quantity value of physical quantities if real space is a Shape3Vector."@en ;
    rdfs:subClassOf emmo:EMMO_06658d8d_dcde_4fc9_aae1_17f71c0bcdec ;
    skos:prefLabel "Shape3Vector"@en .

emmo:EMMO_314d0bd5_67ed_437e_a609_36d46147cea7 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'process' that is recognized by physical sciences and is catogrized accordingly."@en ;
    rdfs:comment "While every 'process' in the EMMO involves physical objects, this class is devoted to represent real world objects that express a phenomenon relevant for the ontologist"@en ;
    rdfs:subClassOf emmo:EMMO_43e9a05d_98af_41b4_92f6_00f79a09bfce ;
    skos:prefLabel "PhysicalPhenomenon"@en .

emmo:EMMO_31557fae_b039_491c_bcbb_0ccb8711d5a6 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A colloid in which small particles (1 nm to 100 nm) are suspended in a continuum phase."@en ;
    rdfs:subClassOf emmo:EMMO_6c487fb3_03d1_4e56_91ed_c2e16dcbef60 ;
    skos:prefLabel "Sol"@en .

emmo:EMMO_32129fb5_df25_48fd_a29c_18a2f22a2dd5 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_216f448e_cdbc_4aeb_a529_7a5fe7fc38bb,
        emmo:EMMO_707c6032_e272_4a20_98b5_d35c4f67be68 ;
    owl:disjointUnionOf ( emmo:EMMO_3a185e6c_9e19_4776_b583_19c978156aa0 emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ) ;
    skos:prefLabel "SIUnitSymbol"@en .

emmo:EMMO_33433bb1_c68f_45ee_a466_f01e2c57b214 a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:hasValue "T0 L2 M0 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ],
        emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    skos:prefLabel "AreaDimension"@en .

emmo:EMMO_3ba933ab_81ba_4e9d_a003_6bca732201b0 a emmo:EMMO_15db234d_ecaf_4715_9838_4b4ec424fb13,
        emmo:EMMO_2e9ace8a_1155_45b5_a066_d5fd9774e76c,
        emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652,
        emmo:EMMO_49267eba_5548_4163_8f36_518d65b583f9,
        emmo:EMMO_802d3e92_8770_4f98_a289_ccaaab7fdddf,
        emmo:EMMO_c5ddfdba_c074_4aa4_ad6b_1ac4942d300d,
        emmo:EMMO_e0954911_fc88_492a_9830_fdb238e28cc2,
        emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de,
        owl:NamedIndividual,
        owl:Thing ;
    skos:prefLabel "c"@en .

emmo:EMMO_3c424d37_cf62_41b1_ac9d_a316f8d113d6 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_f6d0c26a_98b6_4cf8_8632_aa259131faaa ;
    skos:prefLabel "AlgebricOperator"@en .

emmo:EMMO_48716718_225f_4c88_89e2_d819d30c90a2 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A language object that follows syntactic rules of a an idiom (e.g. english, italian)."@en ;
    rdfs:subClassOf emmo:EMMO_d8d2144e_5c8d_455d_a643_5caf4d8d9df8 ;
    skos:prefLabel "Idiomatic"@en .

emmo:EMMO_515b5579_d526_4842_9e6f_ecc34db6f368 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-1 L0 M0 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "FrequencyDimension"@en .

emmo:EMMO_517dfaf9_4970_41ac_81ee_d031627d2c7c a owl:ObjectProperty,
        owl:SymmetricProperty ;
    rdfs:subPropertyOf emmo:EMMO_03212fd7_abfd_4828_9c8e_62c293052d4b ;
    owl:equivalentProperty [ owl:inverseOf emmo:EMMO_517dfaf9_4970_41ac_81ee_d031627d2c7c ] ;
    owl:inverseOf emmo:EMMO_517dfaf9_4970_41ac_81ee_d031627d2c7c ;
    skos:prefLabel "disconnected"@en .

emmo:EMMO_52d08d7d_e9e4_43e5_8508_d353e7e3a23a a owl:AsymmetricProperty,
        owl:IrreflexiveProperty,
        owl:ObjectProperty ;
    rdfs:domain emmo:EMMO_2e9ace8a_1155_45b5_a066_d5fd9774e76c ;
    rdfs:range emmo:EMMO_2e9ace8a_1155_45b5_a066_d5fd9774e76c ;
    rdfs:subPropertyOf [ owl:inverseOf emmo:EMMO_4d6504f1_c470_4ce9_b941_bbbebc9ab05d ],
        emmo:EMMO_4d6504f1_c470_4ce9_b941_bbbebc9ab05d ;
    skos:prefLabel "hasNext"@en .

emmo:EMMO_560d833a_6184_410c_859a_05d982712fd7 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A colloid composed of fine solid particles or liquid droplets in air or another gas."@en ;
    rdfs:subClassOf emmo:EMMO_04f2a2d5_e799_4692_a654_420e76f5acc1,
        emmo:EMMO_6c487fb3_03d1_4e56_91ed_c2e16dcbef60 ;
    skos:prefLabel "Aerosol"@en .

emmo:EMMO_591e02fd_8d37_45a6_9d11_bb21cef391a0 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A unit that does not belong to any system of units."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """eV
barn"""@en ;
    rdfs:subClassOf emmo:EMMO_b081b346_7279_46ef_9a3d_2c088fcd79f4 ;
    skos:prefLabel "OffSystemUnit"@en .

emmo:EMMO_60b78cc3_6011_4134_95ab_956f56d4bdc1 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A derived unit whos numerical factor in front of the product of base units is NOT equal to one."@en ;
    rdfs:subClassOf emmo:EMMO_8246541a_f1f6_4d03_8bd7_fc6b76d17375 ;
    skos:prefLabel "SINonCoherentDerivedUnit"@en .

emmo:EMMO_649bf97b_4397_4005_90d9_219755d92e34 a owl:Class ;
    emmo:EMMO_705f27ae_954c_4f13_98aa_18473fc52b25 "From Latin perceptiō (“a receiving or collecting, perception, comprehension”), from perceptus (“perceived, observed”)."@en ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Physical' which stands for a real world object that can stimulate a perception (e.g. a mental impression, the excitation of a sensor) to an interpreter (human or non-human)."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """A line scratched on a surface.
A sound.
A smell.
The word 'cat' and the sound of the word 'cat' (the first one is graphical and the second acoustical)."""@en,
        """The meta-semiotic process:
I see a cloud in the sky. Since I'm an EMMO ontologist, I create an individual named Cloud under the 'Impression' class.  This semiotic process occurs at meta-level: it's how I use the EMMO as tool for a direct representation of the world.

The semiotic process within EMMO:
My friend looks at the same cloud and says: "It is an elephant".
I use the EMMO to record this experience by declaring:
    - my friend as MyFriend individual, belonging to 'Interpreter' classes
    - the sound of the word "elephant" as an acoustical impression individual named ElephantWord, belonging to 'Impression'
    - a relation hasSign between Cloud and ElephantWord, that makes ElephantWord also belonging to 'Sign' class and Cloud belonging also to 'Object' class
    - a 'Semiosis' individual called MyFriendElephantCloud that hasParticipant: Cloud, ElephantWord and MyFriend, respectively as object, sign and interpreter."""@en ;
    rdfs:comment """'Perceptual' includes real world objects that:
- are part of a communication system (e.g. words, speech, alphabets)
- are not part of a communication system, but can be identified and referred by an interpreter"""@en,
        """A 'Perceptual' is a meta-object, meaning that is addressed by the ontologist (the meta-interpreter) in a meta-semiotic process occurring outside the EMMO.

A 'Perceptual' becomes an 'Object', when it is part of a 'Semiotic' process described by the ontologist through the EMMO."""@en,
        """This class is the most general superclass for the categorization of real world objects that are recognizable by an interpreter (agent).

A 'Perceptual' can stand for something else in a semiotic process (acting as sign or as object).

However, a perceptual is not necessarily a 'Sign' (e.g. a line sketched on a blackboard is a recognizable 'Perceptual' but it may stand for nothing)."""@en ;
    rdfs:subClassOf emmo:EMMO_49267eba_5548_4163_8f36_518d65b583f9 ;
    skos:prefLabel "Perceptual"@en .

emmo:EMMO_651013cf_00ee_4e66_9d4e_fdfb20d991d2 a owl:AsymmetricProperty,
        owl:IrreflexiveProperty,
        owl:ObjectProperty ;
    rdfs:subPropertyOf [ owl:inverseOf emmo:EMMO_4d6504f1_c470_4ce9_b941_bbbebc9ab05d ],
        emmo:EMMO_4d6504f1_c470_4ce9_b941_bbbebc9ab05d ;
    skos:prefLabel "hasRest"@en .

emmo:EMMO_6f4d704a_a7c6_4c07_b8a7_ea0bab04128f a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Unit for quantities of dimension one that are the fraction of two areas."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Unit for solid angle."@en ;
    rdfs:subClassOf emmo:EMMO_c2f5ee66_579c_44c6_a2e9_fa2eaa9fa4da ;
    skos:prefLabel "AreaFractionUnit"@en .

emmo:EMMO_707c6032_e272_4a20_98b5_d35c4f67be68 a owl:Class ;
    rdfs:comment "Derived units are defined as products of powers of the base units. When the numerical factor of this product is one, the derived units are called coherent derived units. The base and coherent derived units of the SI form a coherent set, designated the set of coherent SI units."@en ;
    rdfs:subClassOf emmo:EMMO_868ae137_4d25_493e_b270_21ea3d94849e,
        emmo:EMMO_feb03a8a_bbb6_4918_a891_46713ef557f4 ;
    owl:disjointUnionOf ( emmo:EMMO_1273eb34_de48_43a9_925f_104110469dd2 emmo:EMMO_3a185e6c_9e19_4776_b583_19c978156aa0 emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ) ;
    skos:prefLabel "SICoherentUnit"@en .

emmo:EMMO_71f6ab56_342c_484b_bbe0_de86b7367cb3 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "\"Quantity, in a system of quantities, defined in terms of the base quantities of that system\"."@en ;
    rdfs:subClassOf emmo:EMMO_02c0621e_a527_4790_8a0f_2bb51973c819 ;
    skos:prefLabel "DerivedQuantity"@en .

emmo:EMMO_7db59e56_f68b_48b7_ae99_891c35ae5c3b a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The class of individuals that stand for gluons elementary particles."@en ;
    rdfs:subClassOf emmo:EMMO_e5488299_8dab_4ebb_900a_26d2abed8396 ;
    skos:prefLabel "Gluon"@en .

emmo:EMMO_8246541a_f1f6_4d03_8bd7_fc6b76d17375 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_feb03a8a_bbb6_4918_a891_46713ef557f4 ;
    owl:disjointUnionOf ( emmo:EMMO_60b78cc3_6011_4134_95ab_956f56d4bdc1 emmo:EMMO_d41ce84b_4317_41fb_a5d1_6cd281fca106 ) ;
    skos:prefLabel "SINonCoherentUnit"@en .

emmo:EMMO_847724b7_acef_490e_9f0d_67da967f2812 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A non-negative parameter characterising the dispersion of the quantity being measured."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """- Standard deviation

- Half-width of an interval with a stated coverage probability"""@en ;
    emmo:EMMO_bb49844b_45d7_4f0d_8cae_8e552cbc20d6 "measured uncertainty"@en ;
    rdfs:comment "In general, for a given set of information, it is understood that the measurement uncertainty is associated with a stated quantity value. A modification of this value results in a modification of the associated uncertainty."@en,
        "Measurement uncertainty includes components arising from systematic effects, such as components associated with corrections and the assigned quantity values of measurement standards, as well as the definitional uncertainty. Sometimes estimated systematic effects are not corrected for but, instead, associated measurement uncertainty components are incorporated."@en ;
    rdfs:subClassOf emmo:EMMO_dd4a7f3e_ef56_466c_ac1a_d2716b5f87ec ;
    skos:prefLabel "MeasuredUncertainty"@en .

emmo:EMMO_847f1d9f_205e_46c1_8cb6_a9e479421f88 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-2 L+2 M0 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "AbsorbedDoseDimension"@en .

emmo:EMMO_873b0ab3_88e6_4054_b901_5531e01f14a4 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """Measured value of a quantity representing a 'MeasurementResult'.

-- VIM"""@en ;
    emmo:EMMO_bb49844b_45d7_4f0d_8cae_8e552cbc20d6 "measured quantity value"@en ;
    rdfs:comment """For a measurement involving replicate indications, each indication can be used to provide a corresponding 'MeasuredQuantityProperty'. This set of individual measured quantity properties can be used to
calculate a resulting measured quantity property, such as an average or median, usually with a decreased associated 'MeasuredUncertainty'.

-- VIM"""@en ;
    rdfs:subClassOf emmo:EMMO_dd4a7f3e_ef56_466c_ac1a_d2716b5f87ec ;
    skos:altLabel "MeasuredQuantityValue"@en ;
    skos:prefLabel "MeasuredQuantitativeProperty"@en .

emmo:EMMO_88470739_03d3_4c47_a03e_b30a1288d50c a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A mathematical string that can be evaluated as true or false."@en ;
    rdfs:subClassOf emmo:EMMO_54ee6b5e_5261_44a8_86eb_5717e7fdb9d0,
        emmo:EMMO_89a0c87c_0804_4013_937a_6fe234d9499c ;
    skos:prefLabel "MathematicalFormula"@en .

emmo:EMMO_89762966_8076_4f7c_b745_f718d653e8e2 a owl:Class ;
    rdfs:comment "Physical constant used to define a unit system. Hence, when expressed in that unit system they have an exact value with no associated uncertainty."@en ;
    rdfs:subClassOf emmo:EMMO_b953f2b1_c8d1_4dd9_b630_d3ef6580c2bb ;
    skos:prefLabel "ExactConstant"@en .

emmo:EMMO_8d2d9374_ef3a_47e6_8595_6bc208e07519 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'conventional' that stand for a 'physical'."@en ;
    rdfs:comment """The 'theory' is e.g. a proposition, a book or a paper whose sub-symbols suggest in the mind of the interpreter an interpretant structure that can represent a 'physical'.

It is not an 'icon' (like a math equation), because it has no common resemblance or logical structure with the 'physical'.

In Peirce semiotics: legisign-symbol-argument"""@en ;
    rdfs:subClassOf emmo:EMMO_35d2e130_6e01_41ed_94f7_00b333d46cf9 ;
    skos:prefLabel "Theory"@en .

emmo:EMMO_9141801c_c539_4c72_b423_8c74ff6b8f05 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T0 L+3 M0 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "VolumeDimension"@en .

emmo:EMMO_939483b1_0148_43d1_8b35_851d2cd5d939 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """A 'sign' that not only stands for a 'physical' or a 'process', but it is also a simplified representation, aimed to assist calculations for its description or for predictions of its behaviour.

A 'model' represents a 'physical' or a 'process' by direct similitude (e.g. small scale replica) or by capturing in a logical framework the relations between its properties (e.g. mathematical model)."""@en ;
    rdfs:comment "A 'model' prediction is always a prediction of the properties of an entity, since an entity is known by an interpreter only through perception."@en ;
    rdfs:subClassOf emmo:EMMO_d7788d1a_020d_4c78_85a1_13563fcec168 ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_24c71baf_6db6_48b9_86c8_8c70cf36db0c ] ;
            owl:someValuesFrom emmo:EMMO_c5ddfdba_c074_4aa4_ad6b_1ac4942d300d ] ;
    skos:prefLabel "Model"@en .

emmo:EMMO_9cb984ca_48ad_4864_b09e_50d3fff19420 a owl:ObjectProperty,
        owl:SymmetricProperty ;
    rdfs:subPropertyOf [ owl:inverseOf emmo:EMMO_d893d373_b579_4867_841e_1c2b31a8d2c6 ],
        emmo:EMMO_d893d373_b579_4867_841e_1c2b31a8d2c6 ;
    owl:equivalentProperty [ owl:inverseOf emmo:EMMO_9cb984ca_48ad_4864_b09e_50d3fff19420 ] ;
    owl:inverseOf emmo:EMMO_9cb984ca_48ad_4864_b09e_50d3fff19420 ;
    skos:prefLabel "overcrosses"@en .

emmo:EMMO_a66427d1_9932_4363_9ec5_7d91f2bfda1e a owl:Class ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Dimensionless_quantity" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A quantity to which no physical dimension is assigned and with a corresponding unit of measurement in the SI of the unit one."@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Dimensionless_quantity" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.D01742" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_5ebd5e01_0ed3_49a2_a30d_cd05cbe72978 ;
            owl:onProperty emmo:EMMO_67fc0a36_8dcb_4ffa_9a43_31074efa3296 ],
        emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "ISQDimensionlessQuantity"@en .

emmo:EMMO_a77a0a4b_6bd2_42b2_be27_4b63cebbb59e a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T0 L0 M0 I0 Θ+1 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "TemperatureDimension"@en .

emmo:EMMO_acaaa124_3dde_48b6_86e6_6ec6f364f408 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """"Quantity in a conventionally chosen subset of a given system of quantities, where no quantity in the subset can be expressed in terms of the other quantities within that subset"
ISO 80000-1"""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_db716151_6b73_45ff_910c_d182fdcbb4f5 ;
            owl:onProperty emmo:EMMO_67fc0a36_8dcb_4ffa_9a43_31074efa3296 ],
        emmo:EMMO_02c0621e_a527_4790_8a0f_2bb51973c819 ;
    skos:prefLabel "BaseQuantity"@en .

emmo:EMMO_b953f2b1_c8d1_4dd9_b630_d3ef6580c2bb a owl:Class ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/List_of_physical_constants" ;
    rdfs:comment """Physical constants are categorised into "exact" and measured constants.

With "exact" constants, we refer to physical constants that have an exact numerical value after the revision of the SI system that was enforsed May 2019."""@en ;
    rdfs:subClassOf emmo:EMMO_02c0621e_a527_4790_8a0f_2bb51973c819 ;
    owl:disjointUnionOf ( emmo:EMMO_3f15d200_c97b_42c8_8ac0_d81d150361e2 emmo:EMMO_89762966_8076_4f7c_b745_f718d653e8e2 ) ;
    skos:prefLabel "PhysicalConstant"@en .

emmo:EMMO_c26a0340_d619_4928_b1a1_1a04e88bb89d a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The union of all classes categorizing elementary particles according to the Standard Model."@en ;
    rdfs:comment "Only a subset of elementary particles from the Standard Model are here included for the sake of simplicity."@en ;
    rdfs:subClassOf emmo:EMMO_0f795e3e_c602_4577_9a43_d5a231aa1360,
        emmo:EMMO_98ada9d8_f1c8_4f13_99b5_d890f5354152 ;
    owl:disjointUnionOf ( emmo:EMMO_25f8b804_9a0b_4387_a3e7_b35bce5365ee emmo:EMMO_72d53756_7fb1_46ed_980f_83f47efbe105 emmo:EMMO_7db59e56_f68b_48b7_ae99_891c35ae5c3b emmo:EMMO_8043d3c6_a4c1_4089_ba34_9744e28e5b3d emmo:EMMO_eb3c61f0_3983_4346_a0c6_e7f6b90a67a8 ) ;
    skos:prefLabel "ElementaryParticle"@en .

emmo:EMMO_d41ce84b_4317_41fb_a5d1_6cd281fca106 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A SI base or special unit with a metric prefix."@en ;
    rdfs:comment "The presence of the prefix makes this units non-coherent with SI system."@en ;
    rdfs:subClassOf emmo:EMMO_8246541a_f1f6_4d03_8bd7_fc6b76d17375,
        emmo:EMMO_c6d4a5e0_7e95_44df_a6db_84ee0a8bbc8e ;
    skos:prefLabel "SIPrefixedUnit"@en .

emmo:EMMO_d4f37e32_16ae_4cc6_b4cd_fd896b2449c4 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A coarse dispersion of solid in a gas continuum phase."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Dust, sand storm."@en ;
    rdfs:subClassOf emmo:EMMO_04f2a2d5_e799_4692_a654_420e76f5acc1,
        emmo:EMMO_4a464c8d_8895_44a8_a628_aed13509f1bd ;
    skos:prefLabel "GasSolidSuspension"@en .

emmo:EMMO_db9a009e_f097_43f5_9520_6cbc07e7610b a owl:Class ;
    rdfs:subClassOf emmo:EMMO_8d2d9374_ef3a_47e6_8595_6bc208e07519 ;
    skos:prefLabel "NaturalLaw"@en .

emmo:EMMO_e0edfb9e_9a96_4fae_b942_831ffe27b84a a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A coarse dispersion of liquid in a gas continuum phase."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Rain, spray."@en ;
    rdfs:subClassOf emmo:EMMO_04f2a2d5_e799_4692_a654_420e76f5acc1,
        emmo:EMMO_4a464c8d_8895_44a8_a628_aed13509f1bd ;
    skos:prefLabel "GasLiquidSuspension"@en .

emmo:EMMO_eb3518bf_f799_4f9e_8c3e_ce59af11453b a owl:ObjectProperty ;
    rdfs:range emmo:EMMO_35d2e130_6e01_41ed_94f7_00b333d46cf9 ;
    rdfs:subPropertyOf emmo:EMMO_60577dea_9019_4537_ac41_80b0fb563d41 ;
    skos:prefLabel "hasConvention"@en .

emmo:EMMO_eb3c61f0_3983_4346_a0c6_e7f6b90a67a8 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The class of individuals that stand for gravitons elementary particles."@en ;
    rdfs:comment """While this particle is only supposed to exist, the EMMO approach to classical and quantum systems represents fields as made of particles.

For this reason graviton is an useful concept to homogenize the approach between different fields."""@en ;
    rdfs:subClassOf emmo:EMMO_e5488299_8dab_4ebb_900a_26d2abed8396 ;
    skos:prefLabel "Graviton"@en .

emmo:EMMO_eb77076b_a104_42ac_a065_798b2d2809ad a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """A standalone atom has direct part one 'nucleus' and one 'electron_cloud'.

An O 'atom' within an O2 'molecule' is an 'e-bonded_atom'.

In this material branch, H atom is a particular case, with respect to higher atomic number atoms, since as soon as it shares its electron it has no nucleus entangled electron cloud.

We cannot say that H2 molecule has direct part two H atoms, but has direct part two H nucleus."""@en ;
    rdfs:comment "An 'atom' is a 'nucleus' surrounded by an 'electron_cloud', i.e. a quantum system made of one or more bounded electrons."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:someValuesFrom emmo:EMMO_f835f4d4_c665_403d_ab25_dca5cc74be52 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:someValuesFrom emmo:EMMO_1067b97a_84f8_4d22_8ace_b842b8ce355c ],
        emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652,
        emmo:EMMO_5b2222df_4da6_442f_8244_96e9e45887d1 ;
    skos:prefLabel "Atom"@en .

emmo:EMMO_f35cff4d_dc09_44cf_a729_22fb79e3bfb2 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Quantities declared under the ISO 80000."@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/International_System_of_Quantities" ;
    rdfs:seeAlso "https://www.iso.org/obp/ui/#iso:std:iso:80000:-1:ed-1:v1:en:sec:3.1" ;
    rdfs:subClassOf emmo:EMMO_02c0621e_a527_4790_8a0f_2bb51973c819 ;
    skos:prefLabel "InternationalSystemOfQuantity"@en .

emmo:EMMO_f6d0c26a_98b6_4cf8_8632_aa259131faaa a owl:Class ;
    rdfs:subClassOf emmo:EMMO_5be83f9c_a4ba_4b9a_be1a_5bfc6e891231 ;
    skos:prefLabel "MathematicalOperator"@en .

emmo:EMMO_f84792eb_ec64_4a6b_941f_c9f3e9ef052c a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-1 L+1 M0 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "VelocityDimension"@en .

emmo:EMMO_f8a2fe9f_458b_4771_9aba_a50e76afc52d a owl:Class ;
    rdfs:subClassOf emmo:EMMO_f6d0c26a_98b6_4cf8_8632_aa259131faaa ;
    skos:prefLabel "DifferentialOperator"@en .

emmo:EMMO_f9bc8b52_85e9_4b53_b969_dd7724d5b8e4 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A well-formed finite combination of mathematical symbols according to some specific rules."@en ;
    rdfs:subClassOf emmo:EMMO_54ee6b5e_5261_44a8_86eb_5717e7fdb9d0,
        emmo:EMMO_89a0c87c_0804_4013_937a_6fe234d9499c ;
    skos:prefLabel "Expression"@en .

emmo:EMMO_feb03a8a_bbb6_4918_a891_46713ef557f4 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The set of units provided by the SI referring to the ISQ."@en ;
    rdfs:comment "The complete set of SI units includes both the coherent set and the multiples and sub-multiples formed by using the SI prefixes."@en,
        """The names, symbols and prefixes of SI units are defined by the General Conference on Weights and Measures (CGPM).

https://en.wikipedia.org/wiki/General_Conference_on_Weights_and_Measures"""@en ;
    rdfs:subClassOf emmo:EMMO_b081b346_7279_46ef_9a3d_2c088fcd79f4 ;
    owl:disjointUnionOf ( emmo:EMMO_1273eb34_de48_43a9_925f_104110469dd2 emmo:EMMO_3a185e6c_9e19_4776_b583_19c978156aa0 emmo:EMMO_60b78cc3_6011_4134_95ab_956f56d4bdc1 emmo:EMMO_d41ce84b_4317_41fb_a5d1_6cd281fca106 emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b ) ;
    skos:prefLabel "SIUnit"@en .

owl:topObjectProperty a owl:ReflexiveProperty,
        owl:SymmetricProperty,
        owl:TransitiveProperty ;
    owl:inverseOf owl:topObjectProperty .

emmo:EMMO_0527413c_b286_4e9c_b2d0_03fb2a038dee a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The entity (or agent, or observer, or cognitive entity) who connects 'Sign', 'Interpretant' and 'Object'."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_f68030be_94b8_4c61_a161_886468558054 ;
            owl:someValuesFrom emmo:EMMO_054af807_85cd_4a13_8eba_119dfdaaf38b ],
        emmo:EMMO_b803f122_4acb_4064_9d71_c1e5fd091fc9 ;
    skos:prefLabel "Interpreter"@en .

emmo:EMMO_0b15f4ae_092e_4487_9100_3c44176c545c a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A material in which distributed particles of one phase are dispersed in a different continuous phase."@en ;
    rdfs:subClassOf emmo:EMMO_ec2c8ac8_98c5_4c74_b85b_ff8e8ca6655c ;
    owl:disjointUnionOf ( emmo:EMMO_2031516a_2be7_48e8_9af7_7e1270e308fe emmo:EMMO_4a464c8d_8895_44a8_a628_aed13509f1bd emmo:EMMO_6c487fb3_03d1_4e56_91ed_c2e16dcbef60 ) ;
    skos:prefLabel "Dispersion"@en .

emmo:EMMO_0c576e13_4ee7_4f3d_bfe9_1614243df018 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_b5957cef_a287_442d_a3ce_fd39f20ba1cd ;
    skos:altLabel "1-manifold"@en ;
    skos:prefLabel "OneManifold"@en .

emmo:EMMO_0f795e3e_c602_4577_9a43_d5a231aa1360 a owl:Class ;
    emmo:EMMO_705f27ae_954c_4f13_98aa_18473fc52b25 "From Latin elementārius (“elementary”), from elementum (“one of the four elements of antiquity; fundamentals”)."@en ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The basic constituent of 'item'-s that can be proper partitioned only in time up to quantum level."@en ;
    rdfs:comment """According to mereology, this should be call 'a-tomistic' in the strict etimological sense of the word (from greek, a-tomos: un-divisible).

Mereology based on such items is called atomistic mereology.

However, in order not to confuse the lexicon between mereology and physics (in which an atom is a divisible physical entity) we prefer to call it 'elementary', recalling the concept of elementary particle coming from the standard particles model."""@en,
        "While a 'Quantum' is a-tomistic in time and space, an 'elementary' is a-tomistic only in space, recalling the concept of elementary particle."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_0f795e3e_c602_4577_9a43_d5a231aa1360 ;
            owl:onProperty emmo:EMMO_7afbed84_7593_4a23_bd88_9d9c6b04e8f6 ],
        [ a owl:Restriction ;
            owl:allValuesFrom owl:Nothing ;
            owl:onProperty emmo:EMMO_f68030be_94b8_4c61_a161_886468558054 ],
        emmo:EMMO_c5ddfdba_c074_4aa4_ad6b_1ac4942d300d ;
    skos:prefLabel "Elementary"@en .

emmo:EMMO_1aed91a3_d00c_48af_8f43_a0c958b2512a a owl:Class ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "2x+3"@en ;
    rdfs:comment "An expression that has parts only integer constants, variables, and the algebraic operations (addition, subtraction, multiplication, division and exponentiation by an exponent that is a rational number)"@en ;
    rdfs:subClassOf emmo:EMMO_f9bc8b52_85e9_4b53_b969_dd7724d5b8e4 ;
    skos:prefLabel "AlgebricExpression"@en .

emmo:EMMO_1b52ee70_121e_4d8d_8419_3f97cd0bd89c a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An 'interpreter' that perceives another 'entity' (the 'object') through a specific perception mechanism and produces a 'property' (the 'sign') that stands for the result of that particular perception."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_ae2d1a96_bfa1_409a_a7d2_03d69e8a125a ] ;
            owl:someValuesFrom emmo:EMMO_10a5fd39_06aa_4648_9e70_f962a9cb2069 ],
        emmo:EMMO_0527413c_b286_4e9c_b2d0_03fb2a038dee ;
    skos:prefLabel "Observer"@en .

emmo:EMMO_28fbea28_2204_4613_87ff_6d877b855fcd a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Arrays are ordered mathematical objects who's elementary spatial parts are numbers. Their dimensionality is constructed with spatial direct parthood, where 1-dimensional arrays have spatial direct parts Number and n-dimensional array have spatial direct parts (n-1)-dimensional arrays."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """A Vector is a 1-dimensional Array with Number as spatial direct parts,
a Matrix is a 2-dimensional Array with Vector as spatial direct parts,
an Array3D is a 3-dimensional Array with Matrix as spatial direct parts,
and so forth..."""@en ;
    rdfs:comment """Array subclasses with a specific shape can be constructed with cardinality restrictions.

See Shape4x3Matrix as an example."""@en,
        "Arrays are ordered objects, since they are a subclasses of Arrangement."@en ;
    rdfs:subClassOf emmo:EMMO_25a3da5e_eab1_42dd_8081_61dd09d34e1b,
        emmo:EMMO_54ee6b5e_5261_44a8_86eb_5717e7fdb9d0 ;
    skos:prefLabel "Array"@en .

emmo:EMMO_385b8f6e_43ac_4596_ad76_ac322c68b7ca a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The union of classes of elementary particles that possess mass."@en ;
    rdfs:subClassOf emmo:EMMO_c26a0340_d619_4928_b1a1_1a04e88bb89d ;
    owl:equivalentClass [ a owl:Class ;
            owl:unionOf ( emmo:EMMO_72d53756_7fb1_46ed_980f_83f47efbe105 emmo:EMMO_8043d3c6_a4c1_4089_ba34_9744e28e5b3d ) ] ;
    skos:prefLabel "Massive"@en .

emmo:EMMO_3ee80521_3c23_4dd1_935d_9d522614a3e2 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A unit symbol that stands for a derived unit."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """Pa stands for N/m2
J stands for N m"""@en ;
    rdfs:comment "Special units are semiotic shortcuts to more complex composed symbolic objects."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_60577dea_9019_4537_ac41_80b0fb563d41 ] ;
            owl:someValuesFrom emmo:EMMO_08b308d4_31cd_4779_a784_aa92fc730f39 ],
        emmo:EMMO_08b308d4_31cd_4779_a784_aa92fc730f39,
        emmo:EMMO_216f448e_cdbc_4aeb_a529_7a5fe7fc38bb,
        emmo:EMMO_b21a56ed_f969_4612_a6ec_cb7766f7f31d ;
    skos:prefLabel "SpecialUnit"@en .

emmo:EMMO_50781fd9_a9e4_46ad_b7be_4500371d188d a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:someValuesFrom emmo:EMMO_72d53756_7fb1_46ed_980f_83f47efbe105 ],
        emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652,
        emmo:EMMO_7d66bde4_b68d_41cc_b5fc_6fd98c5e2ff0 ;
    owl:disjointUnionOf ( emmo:EMMO_8f87e700_99a8_4427_8ffb_e493de05c217 emmo:EMMO_df808271_df91_4f27_ba59_fa423c51896c ) ;
    skos:prefLabel "Nucleon"@en .

emmo:EMMO_50a3552e_859a_4ff7_946d_76d537cabce6 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A symbol that stands for a concept in the language of the meterological domain of ISO 80000."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Class ;
                    owl:complementOf emmo:EMMO_985bec21_989f_4b9e_a4b3_735d88099c3c ] ;
            owl:onProperty emmo:EMMO_9380ab64_0363_4804_b13f_3a8a94119a76 ],
        emmo:EMMO_985bec21_989f_4b9e_a4b3_735d88099c3c,
        emmo:EMMO_a1083d0a_c1fb_471f_8e20_a98f881ad527 ;
    owl:equivalentClass [ a owl:Class ;
            owl:intersectionOf ( emmo:EMMO_985bec21_989f_4b9e_a4b3_735d88099c3c emmo:EMMO_a1083d0a_c1fb_471f_8e20_a98f881ad527 ) ] ;
    skos:prefLabel "MetrologicalSymbol"@en .

emmo:EMMO_72d53756_7fb1_46ed_980f_83f47efbe105 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The class of individuals that stand for quarks elementary particles."@en ;
    rdfs:subClassOf emmo:EMMO_385b8f6e_43ac_4596_ad76_ac322c68b7ca ;
    skos:prefLabel "Quark"@en .

emmo:EMMO_7d66bde4_b68d_41cc_b5fc_6fd98c5e2ff0 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_5b2222df_4da6_442f_8244_96e9e45887d1 ;
    skos:prefLabel "Subatomic"@en .

emmo:EMMO_8043d3c6_a4c1_4089_ba34_9744e28e5b3d a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The class of individuals that stand for electrons elemntary particles."@en ;
    rdfs:subClassOf emmo:EMMO_385b8f6e_43ac_4596_ad76_ac322c68b7ca ;
    skos:prefLabel "Electron"@en .

emmo:EMMO_8681074a_e225_4e38_b586_e85b0f43ce38 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A language object that follows syntactic rules of a programming language."@en ;
    rdfs:subClassOf emmo:EMMO_d8d2144e_5c8d_455d_a643_5caf4d8d9df8 ;
    skos:prefLabel "Software"@en .

emmo:EMMO_86ca9b93_1183_4b65_81b8_c0fcd3bba5ad a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'physical' that stands for a real world object that has been designed and manufactured for a particular purpose."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Car, tire, composite material."@en ;
    rdfs:comment "The 'Engineered' branch represents real world objects that show some level of complexity/heterogeneity in their composition, and are made for a specific use."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_c5aae418_1622_4d02_93c5_21159e28e6c1 ] ;
            owl:someValuesFrom emmo:EMMO_a4d66059_5dd3_4b90_b4cb_10960559441b ],
        emmo:EMMO_49804605_c0fe_4538_abda_f70ba1dc8a5d ;
    skos:prefLabel "Engineered"@en .

emmo:EMMO_87ac88ff_8379_4f5a_8c7b_424a8fff1ee8 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A continuum that has no fixed shape and yields easily to external pressure."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Gas, liquid, plasma,"@en ;
    rdfs:subClassOf emmo:EMMO_8b0923ab_b500_477b_9ce9_8b3a3e4dc4f2 ;
    skos:prefLabel "Fluid"@en .

emmo:EMMO_89a0c87c_0804_4013_937a_6fe234d9499c a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A symbolic entity made of other symbolic entities according to a specific spatial configuration."@en ;
    rdfs:comment "This class collects individuals that represents arrangements of strings, or other symbolic compositions, without any particular predifined arrangement schema."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_f68030be_94b8_4c61_a161_886468558054 ;
            owl:someValuesFrom emmo:EMMO_057e7d57_aff0_49de_911a_8861d85cef40 ],
        emmo:EMMO_057e7d57_aff0_49de_911a_8861d85cef40 ;
    skos:prefLabel "SymbolicComposition"@en .

emmo:EMMO_8ef3cd6d_ae58_4a8d_9fc0_ad8f49015cd0 a owl:AsymmetricProperty,
        owl:InverseFunctionalProperty,
        owl:IrreflexiveProperty,
        owl:ObjectProperty ;
    rdfs:comment "Relates a quantity to its reference unit through spatial direct parthood."@en ;
    rdfs:domain emmo:EMMO_f658c301_ce93_46cf_9639_4eace2c5d1d5 ;
    rdfs:range emmo:EMMO_4ce76d7f_03f8_45b6_9003_90052a79bfaa ;
    rdfs:subPropertyOf emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
    skos:prefLabel "hasQuantityValue"@en .

emmo:EMMO_9268958f_7f54_48ab_a693_febe2645892b a owl:Class ;
    rdfs:subClassOf emmo:EMMO_b5957cef_a287_442d_a3ce_fd39f20ba1cd ;
    skos:altLabel "2-manifold"@en ;
    skos:prefLabel "ThreeManifold"@en .

emmo:EMMO_98ada9d8_f1c8_4f13_99b5_d890f5354152 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The perspective for which physical objects are categorized only by concepts coming from applied physical sciences."@en ;
    rdfs:subClassOf emmo:EMMO_49267eba_5548_4163_8f36_518d65b583f9 ;
    owl:equivalentClass [ a owl:Class ;
            owl:unionOf ( emmo:EMMO_5b2222df_4da6_442f_8244_96e9e45887d1 emmo:EMMO_70dac51e_bddd_48c2_8a98_7d8395e91fc2 ) ] ;
    skos:prefLabel "Physicalistic"@en .

emmo:EMMO_a4d66059_5dd3_4b90_b4cb_10960559441b a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The process of transforming raw materials into a product by the use of manual labor, machinery or chemical/biological processes."@en ;
    rdfs:comment "From Latin manufacture: \"made by hand\"."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_c5aae418_1622_4d02_93c5_21159e28e6c1 ;
            owl:someValuesFrom emmo:EMMO_86ca9b93_1183_4b65_81b8_c0fcd3bba5ad ],
        emmo:EMMO_43e9a05d_98af_41b4_92f6_00f79a09bfce ;
    skos:prefLabel "Manufacturing"@en .

emmo:EMMO_b3600e73_3e05_479d_9714_c041c3acf5cc a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T0 L+1 M0 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "LengthDimension"@en .

emmo:EMMO_b803f122_4acb_4064_9d71_c1e5fd091fc9 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The class of individuals that stands for semiotic objects, i.e. objects that take part on a semiotic process."@en ;
    rdfs:comment """Semiotic subclasse are defined using Peirce's semiotic theory.

"Namely, a sign is something, A, which brings something, B, its interpretant sign determined or created by it, into the same sort of correspondence with something, C, its object, as that in which itself stands to C." (Peirce 1902, NEM 4, 20–21).

The triadic elements:
- 'sign': the sign A (e.g. a name)
- 'interpretant': the sign B as the effects of the sign A on the interpreter (e.g. the mental concept of what a name means)
- 'object': the object C (e.g. the entity to which the sign A and B refer to)

This class includes also the 'interpeter' i.e. the entity that connects the 'sign' to the 'object'"""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_c5aae418_1622_4d02_93c5_21159e28e6c1 ] ;
            owl:someValuesFrom emmo:EMMO_008fd3b2_4013_451f_8827_52bceab11841 ],
        emmo:EMMO_49804605_c0fe_4538_abda_f70ba1dc8a5d ;
    owl:equivalentClass [ a owl:Class ;
            owl:unionOf ( emmo:EMMO_0527413c_b286_4e9c_b2d0_03fb2a038dee emmo:EMMO_6f5af708_f825_4feb_a0d1_a8d813d3022b emmo:EMMO_b21a56ed_f969_4612_a6ec_cb7766f7f31d ) ] ;
    skos:prefLabel "Semiotic"@en .

emmo:EMMO_ba882f34_0d71_4e4f_9d92_0c076c633a2c a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A pure number, typically the number of something."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """1,
i,
π,
the number of protons in the nucleus of an atom""" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N0 J0" ;
    rdfs:comment """According to the SI brochure counting does not automatically qualify a quantity as an amount of substance.

This quantity is used only to describe the outcome of a counting process, without regard of the type of entities.

"There are also some quantities that cannot be described in terms of the seven base quantities of the SI, but have the nature of a count. Examples are a number of molecules, a number of cellular or biomolecular entities (for example copies of a particular nucleic acid sequence), or degeneracy in quantum mechanics. Counting quantities are also quantities with the associated unit one.\""""@en ;
    rdfs:subClassOf emmo:EMMO_a66427d1_9932_4363_9ec5_7d91f2bfda1e ;
    skos:prefLabel "PureNumberQuantity"@en .

emmo:EMMO_c03bab53_fed3_4142_9741_cc7fc806f0a6 a owl:Class ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 "The union of Arrangement and Sequence." ;
    rdfs:subClassOf emmo:EMMO_15db234d_ecaf_4715_9838_4b4ec424fb13 ;
    owl:equivalentClass [ a owl:Class ;
            owl:unionOf ( emmo:EMMO_25a3da5e_eab1_42dd_8081_61dd09d34e1b emmo:EMMO_406f9b74_c927_4e05_b9af_5edbe5e280c5 ) ] ;
    skos:prefLabel "Ordered"@en .

emmo:EMMO_c74da218_9147_4f03_92d1_8894abca55f3 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Perceptual' which stands for a real world object whose spatial configuration shows a pattern identifiable by an observer."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "'Graphical' objects include writings, pictures, sketches ..."@en ;
    rdfs:comment "From the Ancient Greek γραφή (graphḗ) which means drawing, painting, writing, a writing, description, and from γράφω (gráphō) which means scratch, carve."@en ;
    rdfs:subClassOf emmo:EMMO_649bf97b_4397_4005_90d9_219755d92e34 ;
    skos:prefLabel "Graphical"@en .

emmo:EMMO_cdc962d8_f3ea_4764_a57a_c7caa4859179 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Unit for quantities of dimension one that are the fraction of two lengths."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Unit for plane angle."@en ;
    rdfs:subClassOf emmo:EMMO_c2f5ee66_579c_44c6_a2e9_fa2eaa9fa4da ;
    skos:prefLabel "LengthFractionUnit"@en .

emmo:EMMO_d7788d1a_020d_4c78_85a1_13563fcec168 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Sign' that stands for an 'Object' by resembling or imitating it, in shape or by sharing a similar logical structure."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """A picture that reproduces the aspect of a person.

An equation that reproduces the logical connection of the properties of a physical entity."""@en ;
    rdfs:comment """Three subtypes of icon are possible:

(a) the image, which depends on a simple quality (e.g. picture)

(b) the diagram, whose internal relations, mainly dyadic or so taken, represent by analogy the relations in something (e.g. math formula, geometric flowchart)

(c) the metaphor, which represents the representative character of a sign by representing a parallelism in something else

[Wikipedia]"""@en ;
    rdfs:subClassOf emmo:EMMO_b21a56ed_f969_4612_a6ec_cb7766f7f31d ;
    skos:prefLabel "Icon"@en .

emmo:EMMO_db716151_6b73_45ff_910c_d182fdcbb4f5 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A set of units that correspond to the base quantities in a system of units."@en ;
    rdfs:subClassOf emmo:EMMO_216f448e_cdbc_4aeb_a529_7a5fe7fc38bb ;
    skos:prefLabel "BaseUnit"@en .

emmo:EMMO_e88f75d6_9a17_4cfc_bdf7_43d7cea5a9a1 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Resistance" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Electrical_resistance_and_conductance" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Measure of the difficulty to pass an electric current through a material."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-3 L+2 M+1 I-2 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.E01936" ;
    rdfs:comment "Inverse of 'ElectricalConductance'."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:altLabel "Resistance"@en ;
    skos:prefLabel "ElectricResistance"@en .

emmo:EMMO_ec2c8ac8_98c5_4c74_b85b_ff8e8ca6655c a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A Miixture is a material made up of two or more different substances which are physically (not chemically) combined."@en ;
    rdfs:subClassOf emmo:EMMO_8b0923ab_b500_477b_9ce9_8b3a3e4dc4f2 ;
    skos:prefLabel "Mixture"@en .

emmo:EMMO_f6070071_d054_4b17_9d2d_f446f7147d0f a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T-2 L+2 M+1 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "EnergyDimension"@en .

emmo:EMMO_f7ed665b_c2e1_42bc_889b_6b42ed3a36f0 a owl:Class ;
    rdfs:comment """A mathematical model can be defined as a description of a system using mathematical concepts and language to facilitate proper explanation of a system or to study the effects of different components and to make predictions on patterns of behaviour.

Abramowitz and Stegun, 1968"""@en ;
    rdfs:subClassOf emmo:EMMO_54ee6b5e_5261_44a8_86eb_5717e7fdb9d0,
        emmo:EMMO_939483b1_0148_43d1_8b35_851d2cd5d939 ;
    owl:equivalentClass [ a owl:Class ;
            owl:intersectionOf ( emmo:EMMO_54ee6b5e_5261_44a8_86eb_5717e7fdb9d0 emmo:EMMO_939483b1_0148_43d1_8b35_851d2cd5d939 ) ] ;
    skos:prefLabel "MathematicalModel"@en .

rdfs:isDefinedBy rdfs:subPropertyOf rdfs:seeAlso .

rdfs:label rdfs:range rdfs:Literal .

emmo:EMMO_02e894c3_b793_4197_b120_3442e08f58d1 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T+1 L0 M0 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "TimeDimension"@en .

emmo:EMMO_057e7d57_aff0_49de_911a_8861d85cef40 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An 'Graphical' that stands for a token or a composition of tokens from one or more alphabets, without necessarily respecting syntactic rules."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """fe780
emmo
!5*a
cat
for(i=0;i<N;++i)"""@en ;
    rdfs:subClassOf emmo:EMMO_c74da218_9147_4f03_92d1_8894abca55f3 ;
    skos:prefLabel "Symbolic"@en .

emmo:EMMO_2031516a_2be7_48e8_9af7_7e1270e308fe a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A solution is a homogeneous mixture composed of two or more substances."@en ;
    rdfs:comment "Solutions are characterized by the occurrence of Rayleigh scattering on light,"@en ;
    rdfs:subClassOf emmo:EMMO_0b15f4ae_092e_4487_9100_3c44176c545c,
        emmo:EMMO_0e6378df_1ce8_4321_b00c_ee9beea60a67 ;
    skos:prefLabel "Solution"@en .

emmo:EMMO_21f56795_ee72_4858_b571_11cfaa59c1a8 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A numerical data value."@en ;
    rdfs:comment """A number is actually a string (e.g. 1.4, 1e-8) of numerical digits and other symbols. However, in order not to increase complexity of the taxonomy and relations, here we take a number as an "atomic" object (i.e. we do not include digits in the EMMO as alphabet for numbers).

A 'Number' individual provide the link between the ontology and the actual data, through the data property hasNumericalValue."""@en,
        """In math usually number and numeral are distinct concepts, the numeral being the symbol or a composition of symbols (e.g. 3.14, 010010, three) and the number is the idea behind it.

More than one numeral stand for the same number.

In the EMMO abstract entities does not exists, and numbers are simply defined by other numerals, so that a number is the class of all the numerals that are equivalent (e.g. 3 and 0011 are numerals that stands for the same number).

Or alternatively, an integer numeral may also stands for a set of a specific cardinality (e.g. 3 stands for a set of three apples). Rational and real numbers are simply a syntactic arrangment of integers (digits, in decimal system).

The fact that you can't give a name to a number without using a numeral or, in case of positive integers, without referring to a real world objects set with specific cardinality, suggests that the abstract concept of number is not a concept that can be practically used.

For these reasons, the EMMO will consider numerals and numbers as the same concept."""@en ;
    rdfs:subClassOf emmo:EMMO_4ce76d7f_03f8_45b6_9003_90052a79bfaa,
        emmo:EMMO_5be83f9c_a4ba_4b9a_be1a_5bfc6e891231 ;
    skos:prefLabel "Number"@en .

emmo:EMMO_2a888cdf_ec4a_4ec5_af1c_0343372fc978 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Property' that is determined by each 'Observer' following a well defined 'Observation' procedure through a specific perception channel."@en ;
    rdfs:comment "The word objective does not mean that each observation will provide the same results. It means that the observation followed a well defined procedure."@en,
        "This class refers to what is commonly known as physical property, i.e. a measurable property of physical system, whether is quantifiable or not."@en ;
    rdfs:subClassOf emmo:EMMO_b7bcff25_ffc3_474e_9ab5_01b1664bd4ba ;
    skos:prefLabel "ObjectiveProperty"@en .

emmo:EMMO_4207e895_8b83_4318_996a_72cfb32acd94 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A matter individual that stands for a real world object representing an amount of a physical substance (or mixture of substances) in different states of matter or phases."@en ;
    rdfs:comment "A instance of a material (e.g. nitrogen) can represent different states of matter. The fact that the individual also belongs to other classes (e.g. Gas) would reveal the actual form in which the material is found."@en,
        "Material usually means some definite kind, quality, or quantity of matter, especially as intended for use."@en ;
    rdfs:subClassOf emmo:EMMO_5b2222df_4da6_442f_8244_96e9e45887d1 ;
    skos:prefLabel "Material"@en .

emmo:EMMO_52211e5e_d767_4812_845e_eb6b402c476a a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Physical' which is a tessellation of 'State' temporal direct parts."@en ;
    rdfs:comment """'Existent' is the EMMO class to be used for representing real world physical objects under a reductionistic perspective (i.e. objects come from the composition of sub-part objects, both in time and space).

'Existent' class collects all individuals that stand for physical objects that can be structured in well defined temporal sub-parts called states, through the temporal direct parthood relation.

This class provides a first granularity hierarchy in time, and a way to axiomatize tessellation principles for a specific whole with a non-transitivity relation (direct parthood) that helps to retain the granularity levels.

e.g. a car, a supersaturated gas with nucleating nanoparticles, an atom that becomes ionized and then recombines with an electron."""@en,
        """An 'Existent' individual stands for a real world object for which the ontologist wants to provide univocal tessellation in time.

By definition, the tiles are represented by 'State'-s individual.

Tiles are related to the 'Existent' through temporal direct parthood, enforcing non-transitivity and inverse-functionality."""@en,
        """Being hasTemporalDirectPart a proper parthood relation, there cannot be 'Existent' made of a single 'State'.

Moreover, due to inverse functionality, a 'State' can be part of only one 'Existent', preventing overlapping between 'Existent'-s."""@en,
        "ex-sistere (latin): to stay (to persist through time) outside others of the same type (to be distinct from the rest)."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_65a2c5b8_e4d8_4a51_b2f8_e55effc0547d ;
            owl:someValuesFrom emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652 ],
        [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652 ;
            owl:onProperty emmo:EMMO_65a2c5b8_e4d8_4a51_b2f8_e55effc0547d ],
        emmo:EMMO_15db234d_ecaf_4715_9838_4b4ec424fb13 ;
    skos:prefLabel "Existent"@en .

emmo:EMMO_5be83f9c_a4ba_4b9a_be1a_5bfc6e891231 a owl:Class ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Class ;
                    owl:complementOf emmo:EMMO_54ee6b5e_5261_44a8_86eb_5717e7fdb9d0 ] ;
            owl:onProperty emmo:EMMO_9380ab64_0363_4804_b13f_3a8a94119a76 ],
        emmo:EMMO_54ee6b5e_5261_44a8_86eb_5717e7fdb9d0,
        emmo:EMMO_a1083d0a_c1fb_471f_8e20_a98f881ad527 ;
    owl:equivalentClass [ a owl:Class ;
            owl:intersectionOf ( emmo:EMMO_54ee6b5e_5261_44a8_86eb_5717e7fdb9d0 emmo:EMMO_a1083d0a_c1fb_471f_8e20_a98f881ad527 ) ] ;
    skos:prefLabel "MathematicalSymbol"@en .

emmo:EMMO_5ebd5e01_0ed3_49a2_a30d_cd05cbe72978 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/unit/UNITLESS" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Represents the number 1, used as an explicit unit to say something has no units."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Refractive index or volume fraction."@en,
        "Typically used for ratios of two units whos dimensions cancels out."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:someValuesFrom emmo:EMMO_3227b821_26a5_4c7c_9c01_5c24483e0bd0 ],
        emmo:EMMO_08b308d4_31cd_4779_a784_aa92fc730f39 ;
    skos:prefLabel "UnitOne"@en .

emmo:EMMO_707f0cd1_941c_4b57_9f20_d0ba30cd6ff3 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_3c424d37_cf62_41b1_ac9d_a316f8d113d6 ;
    skos:prefLabel "ArithmeticOperator"@en .

emmo:EMMO_70dac51e_bddd_48c2_8a98_7d8395e91fc2 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Physical' with 'Massless' parts that are mediators of interactions."@en ;
    rdfs:comment """The concepts of matter and field for classical physics, upon which we can categorize physical entities, are replaced in quantum physics by the more general concepts of quantum field.

Here the class 'Field' refers to the quantum field of massless bosonic particles (i.e. photons, gluons), while the class 'Matter' refers to the quantum field of massive fermionic or bosonic particles (e.g. quarks, electrons)."""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_70dac51e_bddd_48c2_8a98_7d8395e91fc2 ;
            owl:onProperty emmo:EMMO_7afbed84_7593_4a23_bd88_9d9c6b04e8f6 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_17e27c22_37e1_468c_9dd7_95e137f73e7f ;
            owl:someValuesFrom emmo:EMMO_e5488299_8dab_4ebb_900a_26d2abed8396 ],
        emmo:EMMO_98ada9d8_f1c8_4f13_99b5_d890f5354152 ;
    skos:prefLabel "Field"@en .

emmo:EMMO_77e9dc31_5b19_463e_b000_44c6e79f98aa a owl:Class ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T0 L0 M+1 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "MassDimension"@en .

emmo:EMMO_7d2afa66_ae9e_4095_a9bf_421d0be401b6 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Dimensionless multiplicative unit prefix."@en ;
    rdfs:seeAlso "https://en.wikipedia.org/wiki/Metric_prefix" ;
    rdfs:subClassOf emmo:EMMO_50a3552e_859a_4ff7_946d_76d537cabce6,
        emmo:EMMO_5be83f9c_a4ba_4b9a_be1a_5bfc6e891231,
        emmo:EMMO_ae15fb4f_8e4d_41de_a0f9_3997f89ba6a2 ;
    skos:prefLabel "MetricPrefix"@en .

emmo:EMMO_868ae137_4d25_493e_b270_21ea3d94849e a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A measurement unit symbol that do not have a metric prefix as a direct spatial part."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Class ;
                    owl:complementOf emmo:EMMO_7d2afa66_ae9e_4095_a9bf_421d0be401b6 ] ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ],
        emmo:EMMO_b081b346_7279_46ef_9a3d_2c088fcd79f4 ;
    owl:equivalentClass [ a owl:Class ;
            owl:unionOf ( emmo:EMMO_08b308d4_31cd_4779_a784_aa92fc730f39 emmo:EMMO_216f448e_cdbc_4aeb_a529_7a5fe7fc38bb ) ] ;
    skos:prefLabel "NonPrefixedUnit"@en .

emmo:EMMO_8b0923ab_b500_477b_9ce9_8b3a3e4dc4f2 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """A state that is a collection of sufficiently large number of other parts such that:
- it is the bearer of qualities that can exists only by the fact that it is a sum of parts
- the smallest partition dV of the state volume in which we are interested in, contains enough parts to be statistically consistent: n [#/m3] x dV [m3] >> 1"""@en ;
    rdfs:comment "A continuum is made of a sufficient number of parts that it continues to exists as continuum individual even after the loss of one of them i.e. a continuum is a redundant."@en,
        """A continuum is not necessarily small (i.e. composed by the minimum amount of sates to fulfill the definition).

A single continuum individual can be the whole fluid in a pipe."""@en,
        "A continuum is the bearer of properties that are generated by the interactions of parts such as viscosity and thermal or electrical conductivity."@en ;
    rdfs:subClassOf emmo:EMMO_5b2222df_4da6_442f_8244_96e9e45887d1 ;
    skos:prefLabel "Continuum"@en .

emmo:EMMO_b29fd350_39aa_4af7_9459_3faa0544cba6 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A solvable set of one Physics Equation and one or more Materials Relations."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_f68030be_94b8_4c61_a161_886468558054 ;
            owl:someValuesFrom emmo:EMMO_e5438930_04e7_4d42_ade5_3700d4a52ab7 ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_f68030be_94b8_4c61_a161_886468558054 ;
            owl:someValuesFrom emmo:EMMO_27c5d8c6_8af7_4d63_beb1_ec37cd8b3fa3 ],
        emmo:EMMO_f7ed665b_c2e1_42bc_889b_6b42ed3a36f0 ;
    skos:prefLabel "PhysicsBasedModel"@en .

emmo:EMMO_b5957cef_a287_442d_a3ce_fd39f20ba1cd a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'graphical' aimed to represent a geometrical concept."@en ;
    rdfs:comment """A 'geometrical' stands for real world objects that express a geometrical concept.

This can be achieved in many different ways. For example, a line can be expressed by:
a) an equation like y=mx+q, which is both an 'equation' and a 'geometrical'
b) a line drawn with a pencil on a paper, which is simply a 'graphical' object
c) a set of axioms, when the properties of a line are inferred by the interpreter reading them, that are both 'graphical' and also 'formula'

The case a) is a geometrical and mathematical, b) is geometrical and pictorial, while c) is geometrical and a composition of idiomatic strings."""@en ;
    rdfs:subClassOf emmo:EMMO_c74da218_9147_4f03_92d1_8894abca55f3 ;
    skos:prefLabel "Geometrical"@en .

emmo:EMMO_b7bcff25_ffc3_474e_9ab5_01b1664bd4ba a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """A 'Perceptual' referring to a specific code that is used as 'Conventional' sign to represent an 'Object' according to a specific interaction mechanism by an 'Observer'.

(A property is always a partial representation of an 'Object' since it reflects the 'Object' capability to be part of a specific 'Observation' process)"""@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """Hardness is a subclass of properties.

Vickers hardness is a subclass of hardness that involves the procedures and instruments defined by the standard hardness test."""@en,
        """Let's define the class 'colour' as the subclass of the properties that involve photon emission and an electromagnetic radiation sensible observer.

An individual C of this class 'colour' can be defined be declaring the process individual (e.g. daylight illumination) and the observer (e.g. my eyes)

Stating that an entity E hasProperty C, we mean that it can be observed by such setup of process + observer (i.e. observed by my eyes under daylight).

This definition can be generalized by using a generic human eye, so that the observer can be a generic human.

This can be used in material characterization, to define exactly the type of measurement done, including the instrument type."""@en ;
    rdfs:comment """A 'Property' is a sort of name or label that we put upon objects that interact with an observer in the same specific way.

e.g. "hot" objects are objects that interact with an observer through a perception mechanism aimed to perceive an heat source."""@en,
        """We know real world entities through observation/perception.

A non-perceivable real world entity does not exist (or it exists on a plane of existance that has no intersection with us and we can say nothing about it).

Perception/observation of a real wolrd entity occurs when the entity stimulate an observer in a peculiar way through a well defined perception channel.

For this reason each property is related to a specific observation process which involves a specific observer with its own perception mechanisms.

The observation process (e.g. a look, a photo shot, a measurement) is performed  by an observer (e.g. you, a camera, an instrument) through a specific perception mechanism (e.g. retina impression, CMOS excitation, piezoelectric sensor activation) and involves an observed entity.

An observation is a semiotic process, since it stimulate an interpretant within the interpreter who can communicate the perception result to other interpreters through a sign which is the property.

Property subclasses are specializations that depend on the type of observation processes.

e.g. the property 'colour' is related to a process that involves emission or interaction of photon and an observer who can perceive electromagnetic radiation in the visible frequency range.

Properties usually relies on symbolic systems (e.g. for colour it can be palette or RGB)."""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_ae2d1a96_bfa1_409a_a7d2_03d69e8a125a ] ;
            owl:someValuesFrom emmo:EMMO_10a5fd39_06aa_4648_9e70_f962a9cb2069 ],
        [ a owl:Restriction ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_e1097637_70d2_4895_973f_2396f04fa204 ] ;
            owl:someValuesFrom emmo:EMMO_6f5af708_f825_4feb_a0d1_a8d813d3022b ],
        emmo:EMMO_35d2e130_6e01_41ed_94f7_00b333d46cf9 ;
    owl:disjointUnionOf ( emmo:EMMO_251cfb4f_5c75_4778_91ed_6c8395212fd8 emmo:EMMO_2a888cdf_ec4a_4ec5_af1c_0343372fc978 ) ;
    skos:prefLabel "Property"@en .

emmo:EMMO_c6d4a5e0_7e95_44df_a6db_84ee0a8bbc8e a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A measurement unit that is made of a metric prefix and a unit symbol."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onClass emmo:EMMO_7d2afa66_ae9e_4095_a9bf_421d0be401b6 ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ],
        [ a owl:Restriction ;
            owl:allValuesFrom [ a owl:Class ;
                    owl:unionOf ( emmo:EMMO_216f448e_cdbc_4aeb_a529_7a5fe7fc38bb emmo:EMMO_7d2afa66_ae9e_4095_a9bf_421d0be401b6 ) ] ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ],
        [ a owl:Restriction ;
            owl:onClass emmo:EMMO_216f448e_cdbc_4aeb_a529_7a5fe7fc38bb ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ],
        emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652,
        emmo:EMMO_b081b346_7279_46ef_9a3d_2c088fcd79f4 ;
    owl:disjointUnionOf ( emmo:EMMO_62f0d847_3603_45b4_bfc4_dd4511355ff2 emmo:EMMO_a2f94f33_71fa_443c_a1fb_d1685fc537ec ) ;
    skos:prefLabel "PrefixedUnit"@en .

emmo:EMMO_d8d2144e_5c8d_455d_a643_5caf4d8d9df8 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A language object is a symbolic object respecting a specific language syntactic rules (a well-formed formula)."@en ;
    rdfs:subClassOf emmo:EMMO_057e7d57_aff0_49de_911a_8861d85cef40 ;
    skos:prefLabel "Language"@en .

emmo:EMMO_dd4a7f3e_ef56_466c_ac1a_d2716b5f87ec a owl:Class ;
    emmo:EMMO_70fe84ff_99b6_4206_a9fc_9a8931836d84 """"A property of a phenomenon, body, or substance, where the property has a magnitude that can be expressed by means of a number and a reference"
ISO 80000-1

"A reference can be a measurement unit, a measurement procedure, a reference material, or a combination of such."
International vocabulary of metrology (VIM)"""@en ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Quantity' that can be quantified with respect to a standardized reference physical instance (e.g. the prototype meter bar, the kg prototype) or method (e.g. resilience) through a measurement process."@en ;
    rdfs:comment """A quantitative property is always expresssed as a quantity (i.e. a number and a reference unit). For the EMMO, a nominalistic ontology, there is no property as abstract object.

A property is a sign that stands for an object according to a specific code shared by some observers.

For quantititative properties, one possible code that is shared between the scientific community (the observers) is the SI system of units."""@en,
        "Subclasses of 'QuantitativeProperty' classify objects according to the type semiosis that is used to connect the property to the object (e.g. by measurement, by convention, by modelling)."@en ;
    rdfs:subClassOf emmo:EMMO_2a888cdf_ec4a_4ec5_af1c_0343372fc978,
        emmo:EMMO_f658c301_ce93_46cf_9639_4eace2c5d1d5 ;
    owl:equivalentClass [ a owl:Class ;
            owl:unionOf ( emmo:EMMO_847724b7_acef_490e_9f0d_67da967f2812 emmo:EMMO_873b0ab3_88e6_4054_b901_5531e01f14a4 emmo:EMMO_d0200cf1_e4f4_45ae_873f_b9359daea3cd emmo:EMMO_d8aa8e1f_b650_416d_88a0_5118de945456 ) ] ;
    skos:prefLabel "QuantitativeProperty"@en .

emmo:EMMO_e1097637_70d2_4895_973f_2396f04fa204 a owl:ObjectProperty ;
    rdfs:domain emmo:EMMO_6f5af708_f825_4feb_a0d1_a8d813d3022b ;
    rdfs:range emmo:EMMO_b7bcff25_ffc3_474e_9ab5_01b1664bd4ba ;
    rdfs:subPropertyOf emmo:EMMO_eb3518bf_f799_4f9e_8c3e_ce59af11453b ;
    skos:prefLabel "hasProperty"@en .

emmo:EMMO_e5488299_8dab_4ebb_900a_26d2abed8396 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The union of classes of elementary particles that do not possess mass."@en ;
    rdfs:subClassOf emmo:EMMO_c26a0340_d619_4928_b1a1_1a04e88bb89d ;
    owl:equivalentClass [ a owl:Class ;
            owl:unionOf ( emmo:EMMO_25f8b804_9a0b_4387_a3e7_b35bce5365ee emmo:EMMO_7db59e56_f68b_48b7_ae99_891c35ae5c3b emmo:EMMO_eb3c61f0_3983_4346_a0c6_e7f6b90a67a8 ) ] ;
    skos:prefLabel "Massless"@en .

emmo:EMMO_ed4af7ae_63a2_497e_bb88_2309619ea405 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Mass" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Mass" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Property of a physical body that express its resistance to acceleration (a change in its state of motion) when a force is applied."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.M03709" ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_5b2222df_4da6_442f_8244_96e9e45887d1 ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_e1097637_70d2_4895_973f_2396f04fa204 ] ],
        emmo:EMMO_1a4c1a97_88a7_4d8e_b2f9_2ca58e92dde4 ;
    skos:prefLabel "Mass"@en .

emmo:EMMO_03212fd7_abfd_4828_9c8e_62c293052d4b a owl:ObjectProperty,
        owl:SymmetricProperty,
        owl:TransitiveProperty ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The superclass for all EMMO mereotopological relations."@en ;
    rdfs:comment "Mereotopology merges mereological and topological concepts and provides relations between wholes, parts, boundaries, etc."@en ;
    rdfs:subPropertyOf [ owl:inverseOf emmo:EMMO_ec2472ae_cf4a_46a5_8555_1556f5a6c3c5 ],
        emmo:EMMO_ec2472ae_cf4a_46a5_8555_1556f5a6c3c5 ;
    owl:equivalentProperty [ owl:inverseOf emmo:EMMO_03212fd7_abfd_4828_9c8e_62c293052d4b ] ;
    owl:inverseOf emmo:EMMO_03212fd7_abfd_4828_9c8e_62c293052d4b ;
    skos:prefLabel "mereotopological"@en .

emmo:EMMO_04f2a2d5_e799_4692_a654_420e76f5acc1 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Gas is a compressible fluid, a state of matter that has no fixed shape and no fixed volume."@en ;
    rdfs:subClassOf emmo:EMMO_87ac88ff_8379_4f5a_8c7b_424a8fff1ee8,
        emmo:EMMO_b9695e87_8261_412e_83cd_a86459426a28 ;
    skos:prefLabel "Gas"@en .

emmo:EMMO_08b308d4_31cd_4779_a784_aa92fc730f39 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Derived units are defined as products of powers of the base units corresponding to the relations defining the derived quantities in terms of the base quantities."@en ;
    rdfs:subClassOf emmo:EMMO_868ae137_4d25_493e_b270_21ea3d94849e ;
    skos:prefLabel "DerivedUnit"@en .

emmo:EMMO_10a5fd39_06aa_4648_9e70_f962a9cb2069 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Semiosis' that involves an 'Observer' that perceives another 'Physical' (the 'Object') through a specific perception mechanism and produces a 'Property' (the 'Sign') that stands for the result of that particular perception."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_ae2d1a96_bfa1_409a_a7d2_03d69e8a125a ;
            owl:someValuesFrom emmo:EMMO_b7bcff25_ffc3_474e_9ab5_01b1664bd4ba ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_ae2d1a96_bfa1_409a_a7d2_03d69e8a125a ;
            owl:someValuesFrom emmo:EMMO_1b52ee70_121e_4d8d_8419_3f97cd0bd89c ],
        emmo:EMMO_008fd3b2_4013_451f_8827_52bceab11841 ;
    skos:prefLabel "Observation"@en .

emmo:EMMO_18ce5200_00f5_45bb_8c6f_6fb128cd41ae a owl:Class ;
    rdfs:comment """A reference can be a measurement unit, a measurement procedure, a reference material, or a combination of such.
International vocabulary of metrology (VIM)"""@en,
        """A symbolic is recognized as reference unit also if it is not part of a quatity (e.g. as in the sentence "the Bq is the reference unit of Becquerel").

For this reason we can't declare the axiom:
ReferenceUnit SubClassOf: inverse(hasReferenceUnit) some Quantity
because there exist reference units without being part of a quantity.

This is peculiar to EMMO, where quantities (symbolic) are distinct with properties (semiotics)."""@en ;
    rdfs:subClassOf emmo:EMMO_985bec21_989f_4b9e_a4b3_735d88099c3c ;
    skos:prefLabel "ReferenceUnit"@en .

emmo:EMMO_1eed0732_e3f1_4b2c_a9c4_b4e75eeb5895 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Variable' is a symbolic object that stands for a numerical defined 'Mathematical' object like e.g. a number, a vector, a matrix."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """x
k"""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 ] ;
            owl:someValuesFrom emmo:EMMO_54ee6b5e_5261_44a8_86eb_5717e7fdb9d0 ],
        emmo:EMMO_35d2e130_6e01_41ed_94f7_00b333d46cf9,
        emmo:EMMO_54ee6b5e_5261_44a8_86eb_5717e7fdb9d0 ;
    skos:prefLabel "Variable"@en .

emmo:EMMO_25a3da5e_eab1_42dd_8081_61dd09d34e1b a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A State whose spatial direct parts are all SpatialOrdered objects." ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:someValuesFrom emmo:EMMO_42fc460a_4bf3_4d0b_8dee_3c7efcefebb5 ],
        [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_42fc460a_4bf3_4d0b_8dee_3c7efcefebb5 ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ],
        emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652,
        emmo:EMMO_c03bab53_fed3_4142_9741_cc7fc806f0a6 ;
    skos:prefLabel "Arrangement"@en .

emmo:EMMO_35d2e130_6e01_41ed_94f7_00b333d46cf9 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Sign' that stands for an 'Object' through convention, norm or habit, without any resemblance to it."@en ;
    rdfs:comment "In Peirce semiotics this kind of sign category is called symbol. However, since symbol is also used in formal languages, the name is changed in conventional."@en ;
    rdfs:subClassOf emmo:EMMO_b21a56ed_f969_4612_a6ec_cb7766f7f31d ;
    skos:prefLabel "Conventional"@en .

emmo:EMMO_406f9b74_c927_4e05_b9af_5edbe5e280c5 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An Existent whose temporal direct parts are all TemporalOrdered." ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_e0954911_fc88_492a_9830_fdb238e28cc2 ;
            owl:onProperty emmo:EMMO_65a2c5b8_e4d8_4a51_b2f8_e55effc0547d ],
        [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_65a2c5b8_e4d8_4a51_b2f8_e55effc0547d ;
            owl:someValuesFrom emmo:EMMO_e0954911_fc88_492a_9830_fdb238e28cc2 ],
        emmo:EMMO_52211e5e_d767_4812_845e_eb6b402c476a,
        emmo:EMMO_c03bab53_fed3_4142_9741_cc7fc806f0a6 ;
    skos:prefLabel "Sequence"@en .

emmo:EMMO_49804605_c0fe_4538_abda_f70ba1dc8a5d a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A portion of a 'Process' that participates to the process with a specific role."@en ;
    rdfs:comment """In the EMMO the relation of participation to a process falls under mereotopology.

Since topological connection means causality, then the only way for a real world object to participate to a process is to be a part of it."""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_ae2d1a96_bfa1_409a_a7d2_03d69e8a125a ] ;
            owl:someValuesFrom emmo:EMMO_43e9a05d_98af_41b4_92f6_00f79a09bfce ],
        emmo:EMMO_0277f24a_ea7f_4917_81b7_fb0406c8fc62 ;
    skos:prefLabel "Participant"@en .

emmo:EMMO_4ce76d7f_03f8_45b6_9003_90052a79bfaa a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Mathematical' that has no unknown value, i.e. all its 'Variable\"-s parts refers to a 'Number' (for scalars that have a built-in datatype) or to another 'Numerical' (for complex numerical data structures that should rely on external implementations)."@en ;
    rdfs:subClassOf emmo:EMMO_54ee6b5e_5261_44a8_86eb_5717e7fdb9d0 ;
    skos:prefLabel "Numerical"@en .

emmo:EMMO_60577dea_9019_4537_ac41_80b0fb563d41 a owl:ObjectProperty ;
    rdfs:domain emmo:EMMO_6f5af708_f825_4feb_a0d1_a8d813d3022b ;
    rdfs:range emmo:EMMO_b21a56ed_f969_4612_a6ec_cb7766f7f31d ;
    rdfs:subPropertyOf emmo:EMMO_2337e25c_3c60_43fc_a8f9_b11a3f974291 ;
    skos:prefLabel "hasSign"@en .

emmo:EMMO_7afbed84_7593_4a23_bd88_9d9c6b04e8f6 a owl:ObjectProperty,
        owl:TransitiveProperty ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A relation that isolate a proper part that covers the total spatial extension of a whole within a time interval." ;
    rdfs:domain emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de ;
    rdfs:range emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de ;
    rdfs:subPropertyOf emmo:EMMO_9380ab64_0363_4804_b13f_3a8a94119a76 ;
    skos:prefLabel "hasTemporalPart"@en .

emmo:EMMO_985bec21_989f_4b9e_a4b3_735d88099c3c a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A language object used in metrology."@en ;
    rdfs:comment """Metrology includes all theoretical and practical aspects of measurement, whatever the measurement uncertainty and field of application.

-- International vocabulary of metrology (VIM)"""@en,
        "This language domain makes use of ISO 80000 concepts."@en ;
    rdfs:subClassOf emmo:EMMO_d8d2144e_5c8d_455d_a643_5caf4d8d9df8 ;
    skos:prefLabel "Metrological"@en .

emmo:EMMO_b9695e87_8261_412e_83cd_a86459426a28 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A superclass made as the disjoint union of all the form under which matter can exist."@en ;
    rdfs:comment """In physics, a state of matter is one of the distinct forms in which matter can exist. Four states of matter are observable in everyday life: solid, liquid, gas, and plasma.

https://en.wikipedia.org/wiki/State_of_matter"""@en ;
    rdfs:subClassOf emmo:EMMO_8b0923ab_b500_477b_9ce9_8b3a3e4dc4f2 ;
    owl:disjointUnionOf ( emmo:EMMO_04f2a2d5_e799_4692_a654_420e76f5acc1 emmo:EMMO_4c21fb86_fdcf_444e_b498_86fe656295af emmo:EMMO_7509da43_56b1_4d7f_887a_65d1663df4ba emmo:EMMO_a2b006f2_bbfd_4dba_bcaa_3fca20cd6be1 ) ;
    skos:prefLabel "StateOfMatter"@en .

emmo:EMMO_e56ee3eb_7609_4ae1_8bed_51974f0960a6 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The class of 'mathematical'-s that stand for a statement of equality between two mathematical expressions."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """2+3 = 5
x^2 +3x  = 5x
dv/dt = a
sin(x) = y"""@en ;
    rdfs:comment """An equation with variables can always be represented as:

f(v0, v1, ..., vn) = g(v0, v1, ..., vn)

where f is the left hand and g the right hand  side expressions and v0, v1, ..., vn are the variables."""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:someValuesFrom emmo:EMMO_f9bc8b52_85e9_4b53_b969_dd7724d5b8e4 ],
        emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652,
        emmo:EMMO_88470739_03d3_4c47_a03e_b30a1288d50c ;
    skos:prefLabel "Equation"@en .

emmo:EMMO_ec2472ae_cf4a_46a5_8555_1556f5a6c3c5 a owl:ObjectProperty,
        owl:SymmetricProperty,
        owl:TransitiveProperty ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The superclass for all relations used by the EMMO."@en ;
    rdfs:domain emmo:EMMO_802d3e92_8770_4f98_a289_ccaaab7fdddf ;
    rdfs:range emmo:EMMO_802d3e92_8770_4f98_a289_ccaaab7fdddf ;
    rdfs:subPropertyOf owl:topObjectProperty ;
    owl:equivalentProperty [ owl:inverseOf emmo:EMMO_ec2472ae_cf4a_46a5_8555_1556f5a6c3c5 ] ;
    owl:inverseOf emmo:EMMO_ec2472ae_cf4a_46a5_8555_1556f5a6c3c5 ;
    skos:prefLabel "EMMORelation"@en .

emmo:EMMO_f658c301_ce93_46cf_9639_4eace2c5d1d5 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A symbolic that has parts a reference unit and a numerical object separated by a space expressing the value of a quantitative property (expressed as the product of the numerical and the unit)."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """6.8 m
0.9 km
8 K
6 MeV
43.5 HRC(150 kg)"""@en ;
    emmo:EMMO_bb49844b_45d7_4f0d_8cae_8e552cbc20d6 "quantity value"@en ;
    rdfs:comment """A quantity is not necessarily a property, since it is possible to write "10 kg", without assigning this quantity to a specific object.

However, a quantitative property is always a quantity."""@en,
        "Referred as Quantity Value in International vocabulary of metrology (VIM)"@en,
        """SI distinguishes between a quantity (an abstract concept) and the quantity value (a number and a reference).

The EMMO, following strict nominalism, denies the existence of abstract objects and then collapses the two concepts of SI quantity and SI quantity value into a single one: the 'Quantity'.

So, for the EMMO the symbol "kg" is not a physical quantity but simply a 'Symbolic' object categorized as a 'MeasurementUnit'.

While the string "1 kg" is a 'Physical Quantity'."""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onClass emmo:EMMO_18ce5200_00f5_45bb_8c6f_6fb128cd41ae ;
            owl:onProperty emmo:EMMO_67fc0a36_8dcb_4ffa_9a43_31074efa3296 ;
            owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ],
        [ a owl:Restriction ;
            owl:onClass emmo:EMMO_4ce76d7f_03f8_45b6_9003_90052a79bfaa ;
            owl:onProperty emmo:EMMO_8ef3cd6d_ae58_4a8d_9fc0_ad8f49015cd0 ;
            owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ],
        emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652,
        emmo:EMMO_985bec21_989f_4b9e_a4b3_735d88099c3c ;
    owl:disjointUnionOf ( emmo:EMMO_02c0621e_a527_4790_8a0f_2bb51973c819 emmo:EMMO_c46f091c_0420_4c1a_af30_0a2c8ebcf7d7 ) ;
    skos:prefLabel "Quantity"@en .

emmo:EMMO_31ec09ba_1713_42cb_83c7_b38bf6f9ced2 a owl:Class ;
    emmo:EMMO_1f1b164d_ec6a_4faa_8d5e_88bda62316cc "http://qudt.org/vocab/quantitykind/Energy" ;
    emmo:EMMO_6dd685dd_1895_46e4_b227_be9f7d643c25 "http://dbpedia.org/page/Energy" ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A property of objects which can be transferred to other objects or converted into different forms."@en ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T-2 L+2 M+1 I0 Θ0 N0 J0" ;
    emmo:EMMO_fe015383_afb3_44a6_ae86_043628697aa2 "https://doi.org/10.1351/goldbook.E02101" ;
    rdfs:comment "Energy is often defined as \"ability of a system to perform work\", but it might be misleading since is not necessarily available to do work."@en ;
    rdfs:subClassOf emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 ;
    skos:prefLabel "Energy"@en .

emmo:EMMO_43e9a05d_98af_41b4_92f6_00f79a09bfce a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A temporal part of a physical that identifies a particular type of evolution in time."@en ;
    rdfs:comment "A 'Process' is always a 'Physical', since a 'Void' does not have elements that evolves in time."@en,
        """Following the common definition of process, the reader may think that every 'Physical' should be a process, since every 4D object always has a time dimension.

However, in the EMMO we restrict the meaning of the word process to 'Physical'-s whose evolution in time have a particular meaning for the ontologist (i.e. every 4D object unfolds in time, but not every 4D object may be of interest for the ontologist).

A 'Process' is not only something that unfolds in time (which is automatically represented in a 4D ontology), but something that has a meaning for the ontologist (i.e. that the ontologist can separate from the rest of the 4D physical for any reason)."""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_ae2d1a96_bfa1_409a_a7d2_03d69e8a125a ;
            owl:someValuesFrom emmo:EMMO_49804605_c0fe_4538_abda_f70ba1dc8a5d ],
        emmo:EMMO_0277f24a_ea7f_4917_81b7_fb0406c8fc62 ;
    skos:prefLabel "Process"@en .

emmo:EMMO_4d6504f1_c470_4ce9_b941_bbbebc9ab05d a owl:ObjectProperty,
        owl:SymmetricProperty ;
    rdfs:subPropertyOf [ owl:inverseOf emmo:EMMO_6703954e_34c4_4a15_a9e7_f313760ae1a8 ],
        emmo:EMMO_6703954e_34c4_4a15_a9e7_f313760ae1a8 ;
    owl:equivalentProperty [ owl:inverseOf emmo:EMMO_4d6504f1_c470_4ce9_b941_bbbebc9ab05d ] ;
    owl:inverseOf emmo:EMMO_4d6504f1_c470_4ce9_b941_bbbebc9ab05d ;
    skos:prefLabel "hasContactWith"@en .

emmo:EMMO_65a2c5b8_e4d8_4a51_b2f8_e55effc0547d a owl:AsymmetricProperty,
        owl:InverseFunctionalProperty,
        owl:IrreflexiveProperty,
        owl:ObjectProperty ;
    rdfs:domain emmo:EMMO_52211e5e_d767_4812_845e_eb6b402c476a ;
    rdfs:range emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652 ;
    rdfs:subPropertyOf emmo:EMMO_7afbed84_7593_4a23_bd88_9d9c6b04e8f6 ;
    skos:prefLabel "hasTemporalDirectPart"@en .

emmo:EMMO_6c487fb3_03d1_4e56_91ed_c2e16dcbef60 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A mixture in which one substance of microscopically dispersed insoluble or soluble particles (from 1 nm to 1 μm) is suspended throughout another substance and that does not settle, or would take a very long time to settle appreciably."@en ;
    rdfs:comment "Colloids are characterized by the occurring of the Tyndall effect on light."@en ;
    rdfs:subClassOf emmo:EMMO_0b15f4ae_092e_4487_9100_3c44176c545c,
        emmo:EMMO_0e030040_98a7_49b2_a871_dced1f3a6131 ;
    skos:prefLabel "Colloid"@en .

emmo:EMMO_6f5af708_f825_4feb_a0d1_a8d813d3022b a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The object, in Peirce semiotics."@en ;
    rdfs:comment """Here is assumed that the concept of 'object' is always relative to a 'semiotic' process. An 'object' does not exists per se, but it's always part of an interpretation.

The EMMO relies on strong reductionism, i.e. everything real is a formless collection of elementary particles: we give a meaning to real world entities only by giving them boundaries and defining them using 'sign'-s.

In this way the 'sign'-ed entity become and 'object', and the 'object' is the basic entity needed in order to apply a logical formalism to the real world entities (i.e. we can speak of it through its sign, and use logics on it through its sign)."""@en ;
    rdfs:subClassOf emmo:EMMO_b803f122_4acb_4064_9d71_c1e5fd091fc9 ;
    skos:prefLabel "Object"@en .

emmo:EMMO_d893d373_b579_4867_841e_1c2b31a8d2c6 a owl:ObjectProperty,
        owl:SymmetricProperty ;
    rdfs:subPropertyOf [ owl:inverseOf emmo:EMMO_6703954e_34c4_4a15_a9e7_f313760ae1a8 ],
        emmo:EMMO_6703954e_34c4_4a15_a9e7_f313760ae1a8 ;
    owl:equivalentProperty [ owl:inverseOf emmo:EMMO_d893d373_b579_4867_841e_1c2b31a8d2c6 ] ;
    owl:inverseOf emmo:EMMO_d893d373_b579_4867_841e_1c2b31a8d2c6 ;
    skos:prefLabel "hasOverlapWith"@en .

emmo:EMMO_f68030be_94b8_4c61_a161_886468558054 a owl:ObjectProperty,
        owl:TransitiveProperty ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A relation that isolates a proper part that extends itself in time within the overall lifetime of the whole, without covering the full spatial extension of the 4D whole (i.e. is not a temporal part)." ;
    rdfs:domain emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de ;
    rdfs:range emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de ;
    rdfs:subPropertyOf emmo:EMMO_9380ab64_0363_4804_b13f_3a8a94119a76 ;
    skos:prefLabel "hasSpatialPart"@en .

emmo:EMMO_02c0621e_a527_4790_8a0f_2bb51973c819 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Mathematical' entity that is made of a 'Numeral' and a 'MeasurementUnit' defined by a physical law, connected to a physical entity through a model perspective. Measurement is done according to the same model."@en ;
    rdfs:comment """In the same system of quantities, dim ρB = ML−3 is the quantity dimension of mass concentration of component B, and ML−3 is also the quantity dimension of mass density, ρ.
ISO 80000-1"""@en,
        """Measured or simulated 'physical propertiy'-s are always defined by a physical law, connected to a physical entity through a model perspective and measurement is done according to the same model.

Systems of units suggests that this is the correct approach, since except for the fundamental units (length, time, charge) every other unit is derived by mathematical relations between these fundamental units, implying a physical laws or definitions."""@en,
        """Measurement units of quantities of the same quantity dimension may be designated by the same name and symbol even when the quantities are not of the same kind.

For example, joule per kelvin and J/K are respectively the name and symbol of both a measurement unit of heat capacity and a measurement unit of entropy, which are generally not considered to be quantities of the same kind.

However, in some cases special measurement unit names are restricted to be used with quantities of specific kind only.

For example, the measurement unit ‘second to the power minus one’ (1/s) is called hertz (Hz) when used for frequencies and becquerel (Bq) when used for activities of radionuclides.

As another example, the joule (J) is used as a unit of energy, but never as a unit of moment of force, i.e. the newton metre (N · m)."""@en,
        """— quantities of the same kind have the same quantity dimension,
— quantities of different quantity dimensions are always of different kinds, and
— quantities having the same quantity dimension are not necessarily of the same kind.
ISO 80000-1"""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_b081b346_7279_46ef_9a3d_2c088fcd79f4 ;
            owl:onProperty emmo:EMMO_67fc0a36_8dcb_4ffa_9a43_31074efa3296 ],
        emmo:EMMO_54ee6b5e_5261_44a8_86eb_5717e7fdb9d0,
        emmo:EMMO_f658c301_ce93_46cf_9639_4eace2c5d1d5 ;
    owl:disjointUnionOf ( emmo:EMMO_71f6ab56_342c_484b_bbe0_de86b7367cb3 emmo:EMMO_acaaa124_3dde_48b6_86e6_6ec6f364f408 ) ;
    skos:prefLabel "PhysicalQuantity"@en .

emmo:EMMO_1273eb34_de48_43a9_925f_104110469dd2 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A SI derived unit whos numerical factor in front of the product of SI base units is one."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """m/s
kg/m^3""" ;
    rdfs:comment "This class collects all units that are products or powers of SI base or SI special units only."@en ;
    rdfs:subClassOf emmo:EMMO_08b308d4_31cd_4779_a784_aa92fc730f39,
        emmo:EMMO_707c6032_e272_4a20_98b5_d35c4f67be68 ;
    skos:prefLabel "SICoherentDerivedUnit"@en .

emmo:EMMO_1a4c1a97_88a7_4d8e_b2f9_2ca58e92dde4 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Base quantities defined in the International System of Quantities (ISQ)."@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/International_System_of_Quantities" ;
    rdfs:subClassOf emmo:EMMO_acaaa124_3dde_48b6_86e6_6ec6f364f408,
        emmo:EMMO_f35cff4d_dc09_44cf_a729_22fb79e3bfb2 ;
    owl:disjointUnionOf ( emmo:EMMO_50bf79a6_a48b_424d_9d2c_813bd631231a emmo:EMMO_8159c26a_494b_4fa0_9959_10888f152298 emmo:EMMO_affe07e4_e9bc_4852_86c6_69e26182a17f emmo:EMMO_c995ae70_3b84_4ebb_bcfc_69e6a281bb88 emmo:EMMO_cd2cd0de_e0cc_4ef1_b27e_2e88db027bac emmo:EMMO_d4f7d378_5e3b_468a_baa1_a7e98358cda7 emmo:EMMO_ed4af7ae_63a2_497e_bb88_2309619ea405 ) ;
    skos:prefLabel "ISQBaseQuantity"@en .

emmo:EMMO_2e9ace8a_1155_45b5_a066_d5fd9774e76c a owl:Class ;
    rdfs:subClassOf emmo:EMMO_15db234d_ecaf_4715_9838_4b4ec424fb13 ;
    owl:equivalentClass [ a owl:Class ;
            owl:unionOf ( emmo:EMMO_42fc460a_4bf3_4d0b_8dee_3c7efcefebb5 emmo:EMMO_e0954911_fc88_492a_9830_fdb238e28cc2 ) ] ;
    skos:prefLabel "OrderedElement"@en .

emmo:EMMO_b081b346_7279_46ef_9a3d_2c088fcd79f4 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """A 'Quantity' that stands for the standard reference magnitude of a specific class of measurement processes, defined and adopted by convention or by law.

The numerical quantity value of the 'MeasurementUnit' is conventionally 1 and does not appear.

Quantitative measurement results are expressed as a multiple of the 'MeasurementUnit'."""@en ;
    rdfs:comment """"Real scalar quantity, defined and adopted by convention, with which any other quantity of the same kind can be compared to express the ratio of the second quantity to the first one as a number"
ISO 80000-1"""@en,
        """"Unit symbols are mathematical entities and not abbreviations."

"Symbols for units are treated as mathematical entities. In expressing the value of a quantity as the product of a numerical value and a unit, both the numerical value and the unit may be treated by the ordinary rules of algebra."

https://www.bipm.org/utils/common/pdf/si-brochure/SI-Brochure-9-EN.pdf"""@en,
        """While the SI brochure treats 'MeasurementUnit' as a 'PhysicalQuantity', in the EMMO this is not possible since the latter always has two direct parts, a 'Numerical' and a 'MeasurementUnit', while the former a single 'Symbol'.

SI distinguishes between a quantity (an abstract concept) and the quantity value (a number and a reference). The EMMO, following strict nominalism, considers a SI quantity as a SI quantity value, collapsing the two concepts into one: the 'Quantity'.

So, for the EMMO the symbol "kg" is not a physical quantity but a 'MeasurementUnit', while the string "1 kg" is 'Physical Quantity'."""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onClass emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
            owl:onProperty emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 ;
            owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ],
        emmo:EMMO_18ce5200_00f5_45bb_8c6f_6fb128cd41ae,
        emmo:EMMO_6f5af708_f825_4feb_a0d1_a8d813d3022b ;
    owl:disjointUnionOf ( emmo:EMMO_868ae137_4d25_493e_b270_21ea3d94849e emmo:EMMO_c6d4a5e0_7e95_44df_a6db_84ee0a8bbc8e ) ;
    skos:prefLabel "MeasurementUnit"@en .

emmo:EMMO_c2f5ee66_579c_44c6_a2e9_fa2eaa9fa4da a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Unit for fractions of quantities of the same kind, to aid the understanding of the quantity being expressed."@en ;
    rdfs:comment """Quantities that are ratios of quantities of the same kind (for example length ratios and amount fractions) have the option of being expressed with units (m/m, mol/mol to aid the understanding of the quantity being expressed and also allow the use of SI prefixes, if this
is desirable (μm/m, nmol/mol).
-- SI Brochure"""@en ;
    rdfs:subClassOf emmo:EMMO_5ebd5e01_0ed3_49a2_a30d_cd05cbe72978 ;
    skos:prefLabel "FractionUnit"@en .

emmo:EMMO_216f448e_cdbc_4aeb_a529_7a5fe7fc38bb a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A symbol that stands for a single unit."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "Some examples are \"Pa\", \"m\" and \"J\"."@en ;
    rdfs:subClassOf emmo:EMMO_50a3552e_859a_4ff7_946d_76d537cabce6,
        emmo:EMMO_868ae137_4d25_493e_b270_21ea3d94849e ;
    owl:disjointUnionOf ( emmo:EMMO_3ee80521_3c23_4dd1_935d_9d522614a3e2 emmo:EMMO_db716151_6b73_45ff_910c_d182fdcbb4f5 ) ;
    owl:equivalentClass [ a owl:Class ;
            owl:intersectionOf ( emmo:EMMO_a1083d0a_c1fb_471f_8e20_a98f881ad527 emmo:EMMO_b081b346_7279_46ef_9a3d_2c088fcd79f4 ) ] ;
    skos:prefLabel "UnitSymbol"@en .

emmo:EMMO_3227b821_26a5_4c7c_9c01_5c24483e0bd0 a owl:Class ;
    rdfs:comment """"The unit one is the neutral element of any system of units – necessary and present automatically."
SI Brochure"""@en ;
    rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:hasValue "T0 L0 M0 I0 Θ0 N0 J0" ;
            owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
    skos:prefLabel "DimensionOne"@en .

emmo:EMMO_3f15d200_c97b_42c8_8ac0_d81d150361e2 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "For a given unit system, measured constants are physical constants that are not used to define the unit system. Hence, these constants have to be measured and will therefore be associated with an uncertainty."@en ;
    rdfs:subClassOf emmo:EMMO_b953f2b1_c8d1_4dd9_b630_d3ef6580c2bb ;
    skos:prefLabel "MeasuredConstant"@en .

emmo:EMMO_42fc460a_4bf3_4d0b_8dee_3c7efcefebb5 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_2e9ace8a_1155_45b5_a066_d5fd9774e76c ;
    skos:prefLabel "SpatialOrderedElement"@en .

emmo:EMMO_49267eba_5548_4163_8f36_518d65b583f9 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The class of individuals that stand for real world objects according to a specific representational perspective."@en ;
    rdfs:comment """This class is the practical implementation of the EMMO pluralistic approach for which the only objective categorization is provided by the Universe individual and all the Quantum individuals.

Between these two extremes, there are several subjective ways to categorize real world objects, each one provide under a 'Perspective' subclass."""@en ;
    rdfs:subClassOf emmo:EMMO_c5ddfdba_c074_4aa4_ad6b_1ac4942d300d ;
    skos:prefLabel "Perspective"@en .

emmo:EMMO_6703954e_34c4_4a15_a9e7_f313760ae1a8 a owl:ObjectProperty,
        owl:SymmetricProperty ;
    rdfs:comment "Causality is a topological property between connected items."@en,
        "Items being connected means that there is a topological contact or \"interaction\" between them."@en ;
    rdfs:subPropertyOf [ owl:inverseOf emmo:EMMO_03212fd7_abfd_4828_9c8e_62c293052d4b ],
        emmo:EMMO_03212fd7_abfd_4828_9c8e_62c293052d4b ;
    owl:equivalentProperty [ owl:inverseOf emmo:EMMO_6703954e_34c4_4a15_a9e7_f313760ae1a8 ] ;
    owl:inverseOf emmo:EMMO_6703954e_34c4_4a15_a9e7_f313760ae1a8 ;
    skos:prefLabel "connected"@en .

emmo:EMMO_7509da43_56b1_4d7f_887a_65d1663df4ba a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure."@en ;
    rdfs:subClassOf emmo:EMMO_87ac88ff_8379_4f5a_8c7b_424a8fff1ee8,
        emmo:EMMO_b9695e87_8261_412e_83cd_a86459426a28 ;
    skos:prefLabel "Liquid"@en .

emmo:EMMO_a2b006f2_bbfd_4dba_bcaa_3fca20cd6be1 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A continuum characterized by structural rigidity and resistance to changes of shape or volume, that retains its shape and density when not confined."@en ;
    rdfs:subClassOf emmo:EMMO_b9695e87_8261_412e_83cd_a86459426a28 ;
    skos:prefLabel "Solid"@en .

emmo:EMMO_b21a56ed_f969_4612_a6ec_cb7766f7f31d a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An 'Physical' that is used as sign (\"semeion\" in greek) that stands for another 'Physical' through an semiotic process."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """A novel is made of chapters, paragraphs, sentences, words and characters (in a direct parthood mereological hierarchy).

Each of them are 'sign'-s.

A character can be the a-tomistic 'sign' for the class of texts.

The horizontal segment in the character "A" is direct part of "A" but it is not a 'sign' itself.

For plain text we can propose the ASCII symbols, for math the fundamental math symbols."""@en ;
    rdfs:comment """A 'Sign' can have temporal-direct-parts which are 'Sign' themselves.

A 'Sign' usually have 'sign' spatial direct parts only up to a certain elementary semiotic level, in which the part is only a 'Physical' and no more a 'Sign' (i.e. it stands for nothing). This elementary semiotic level is peculiar to each particular system of signs (e.g. text, painting).

Just like an 'Elementary' in the 'Physical' branch, each 'Sign' branch should have an a-tomistic mereological part."""@en,
        """According to Peirce, 'Sign' includes three subcategories:
- symbols: that stand for an object through convention
- indeces: that stand for an object due to causal continguity
- icon: that stand for an object due to similitudes e.g. in shape or composition"""@en ;
    rdfs:subClassOf emmo:EMMO_b803f122_4acb_4064_9d71_c1e5fd091fc9 ;
    owl:equivalentClass [ a owl:Class ;
            owl:unionOf ( emmo:EMMO_0cd58641_824c_4851_907f_f4c3be76630c emmo:EMMO_35d2e130_6e01_41ed_94f7_00b333d46cf9 emmo:EMMO_d7788d1a_020d_4c78_85a1_13563fcec168 ) ] ;
    skos:prefLabel "Sign"@en .

emmo:EMMO_c5aae418_1622_4d02_93c5_21159e28e6c1 a owl:ObjectProperty ;
    rdfs:subPropertyOf emmo:EMMO_9380ab64_0363_4804_b13f_3a8a94119a76,
        emmo:EMMO_ae2d1a96_bfa1_409a_a7d2_03d69e8a125a ;
    skos:prefLabel "hasProperParticipant"@en .

emmo:EMMO_faab3f84_e475_4a46_af9c_7d249f0b9aef a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The class of quantities that are the ratio of two quantities with the same physical dimensionality."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """refractive index,
volume fraction,
fine structure constant""" ;
    emmo:EMMO_de178b12_5d35_4bca_8efa_a4193162571d "T0 L0 M0 I0 Θ0 N0 J0" ;
    rdfs:comment """Quantities defined as ratios `Q=A/B` having equal dimensions in numerator and denominator are dimensionless quantities but still have a physical dimension defined as dim(A)/dim(B).

Johansson, Ingvar (2010). "Metrological thinking needs the notions of parametric quantities, units and dimensions". Metrologia. 47 (3): 219–230. doi:10.1088/0026-1394/47/3/012. ISSN 0026-1394."""@en ;
    rdfs:seeAlso "https://iopscience.iop.org/article/10.1088/0026-1394/47/3/012" ;
    rdfs:subClassOf emmo:EMMO_a66427d1_9932_4363_9ec5_7d91f2bfda1e ;
    skos:prefLabel "RatioQuantity"@en .

rdfs:comment rdfs:range rdfs:Literal .

rdfs:seeAlso rdfs:comment """EMMO applies the naming convension to its sub-properties of rdfs:seeAlso that their label must end with one of the following terms:
  - 'Match': resolvable URLs to corresponding entity in another ontology
  - 'Entry': resolvable URLs to a human readable resource describing the subject
  - 'Ref': non-resolvable reference to a human readable resource describing the subject"""@en,
        "Indicate a resource that might provide additional information about the subject resource."@en .

emmo:EMMO_15db234d_ecaf_4715_9838_4b4ec424fb13 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A class devoted to categorize 'Physical'-s according to their granularity relations, first in terms of time evolution (Existent) and then in terms of their composition (State), up to the spatial a-tomistic element (Elementary)."@en ;
    rdfs:comment "Direct parthood is the relation used to build the class hierarchy (and the granularity hierarchy) for this perspective." ;
    rdfs:subClassOf emmo:EMMO_49267eba_5548_4163_8f36_518d65b583f9 ;
    owl:equivalentClass [ a owl:Class ;
            owl:unionOf ( emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652 emmo:EMMO_52211e5e_d767_4812_845e_eb6b402c476a ) ] ;
    skos:prefLabel "Reductionistic"@en .

emmo:EMMO_17e27c22_37e1_468c_9dd7_95e137f73e7f a owl:ObjectProperty,
        owl:TransitiveProperty ;
    rdfs:subPropertyOf [ owl:inverseOf emmo:EMMO_d893d373_b579_4867_841e_1c2b31a8d2c6 ],
        emmo:EMMO_8c898653_1118_4682_9bbf_6cc334d16a99,
        emmo:EMMO_d893d373_b579_4867_841e_1c2b31a8d2c6 ;
    skos:prefLabel "hasPart"@en .

emmo:EMMO_4a464c8d_8895_44a8_a628_aed13509f1bd a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "An heterogeneous mixture that contains coarsly dispersed particles (no Tyndall effect), that generally tend to separate in time to the dispersion medium phase."@en ;
    rdfs:comment "Suspensions show no significant effect on light."@en ;
    rdfs:subClassOf emmo:EMMO_0b15f4ae_092e_4487_9100_3c44176c545c,
        emmo:EMMO_0e030040_98a7_49b2_a871_dced1f3a6131,
        emmo:EMMO_b9695e87_8261_412e_83cd_a86459426a28 ;
    owl:disjointUnionOf ( emmo:EMMO_2dd512a1_5187_47cc_b0b8_141214e22b59 emmo:EMMO_33e0ac8b_a318_4285_b1de_e95347784632 emmo:EMMO_42185fe7_122c_4e0c_a3cd_659d3e21c389 emmo:EMMO_47fe2379_be21_48d1_9ede_402f0faf494b emmo:EMMO_c457b6b9_5e73_4853_ae08_d776c12b8058 emmo:EMMO_d4f37e32_16ae_4cc6_b4cd_fd896b2449c4 emmo:EMMO_e0edfb9e_9a96_4fae_b942_831ffe27b84a emmo:EMMO_e9e02156_651f_41c8_9efb_d5da0d4ce5e2 ) ;
    skos:prefLabel "Suspension"@en .

emmo:EMMO_5b2222df_4da6_442f_8244_96e9e45887d1 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Physical' that possesses some 'Massive' parts."@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_17e27c22_37e1_468c_9dd7_95e137f73e7f ;
            owl:someValuesFrom emmo:EMMO_385b8f6e_43ac_4596_ad76_ac322c68b7ca ],
        [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_5b2222df_4da6_442f_8244_96e9e45887d1 ;
            owl:onProperty emmo:EMMO_7afbed84_7593_4a23_bd88_9d9c6b04e8f6 ],
        emmo:EMMO_98ada9d8_f1c8_4f13_99b5_d890f5354152 ;
    skos:prefLabel "Matter"@en .

emmo:EMMO_802d3e92_8770_4f98_a289_ccaaab7fdddf a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The class representing the collection of all the individuals declared in this ontology standing for real world objects."@en ;
    rdfs:comment """'EMMO' is the disjoint union of 'Item' and 'Collection' (covering axiom).

The union implies that 'EMMO' individuals can only be 'Item' individuals (standing for self-connected real world objects) or 'Collection' individuals (standing for a collection of disconnected items).

Disjointness means that a 'Collection' individual cannot be an 'Item' individual and viceversa, representing the fact that a real world object cannot be self-connected and non-self connected at the same time."""@en,
        """For the EMMO ontologist the whole universe is represented as a 4D path-connected topological manifold (i.e. the spacetime).

A real world object is then a 4D topological sub-region of the universe.

A universe sub-region is isolated and defined as a real world object by the ontologist. Then, through a semiotic process that occurs at meta-ontological level (i.e. outside the ontology). an EMMO ontology entity (e.g. an OWL individual) is assigned to represent that real world object.

The fundamental distinction between real world objects, upon which the EMMO is based, is self-connectedness: a real world object can be self-connected xor not self-connected."""@en,
        "In the EMMO we will refer to the universe as a Minkowski space, restricting the ontology to special relativity only. However, exension to general relativity, will adding more complexity, should not change the overall approach."@en,
        """Mereotopology is the fundamental logical representation used by the EMMO ontologist to characterize the universe and to provide the definitions to connect real world objects to the EMMO concepts.

Parthood relations do not change dimensionality of the real world object referred by an 'EMMO' individual, i.e. every part of a real world object always retains its 4D dimensionality.

The smallest part of a real world object (i.e. a part that has no proper parts) is referred in the EMMO by a 'Quantum' individual.

It follows that, for the EMMO, real world objects of dimensionality lower than 4D (e.g. surfaces, lines) do not exist."""@en ;
    rdfs:subClassOf owl:Thing ;
    owl:disjointUnionOf ( emmo:EMMO_2d2ecd97_067f_4d0e_950c_d746b7700a31 emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de ) ;
    owl:equivalentClass [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_17e27c22_37e1_468c_9dd7_95e137f73e7f ;
            owl:someValuesFrom emmo:EMMO_3f9ae00e_810c_4518_aec2_7200e424cf68 ],
        [ a owl:Restriction ;
            owl:hasValue emmo:EMMO_08cb807c_e626_447b_863f_e2835540e918 ;
            owl:onProperty [ owl:inverseOf emmo:EMMO_17e27c22_37e1_468c_9dd7_95e137f73e7f ] ] ;
    skos:prefLabel "EMMO"@en .

emmo:EMMO_9380ab64_0363_4804_b13f_3a8a94119a76 a owl:ObjectProperty,
        owl:TransitiveProperty ;
    rdfs:subPropertyOf emmo:EMMO_17e27c22_37e1_468c_9dd7_95e137f73e7f ;
    skos:prefLabel "hasProperPart"@en .

emmo:EMMO_3a185e6c_9e19_4776_b583_19c978156aa0 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The base units in the SI system."@en ;
    rdfs:seeAlso "https://www.bipm.org/utils/common/pdf/si-brochure/SI-Brochure-9-EN.pdf" ;
    rdfs:subClassOf emmo:EMMO_32129fb5_df25_48fd_a29c_18a2f22a2dd5,
        emmo:EMMO_db716151_6b73_45ff_910c_d182fdcbb4f5 ;
    owl:disjointUnionOf ( emmo:EMMO_2e5e45fc_f52c_4294_bdc2_5ed7a06dfce7 emmo:EMMO_314ba716_2d3d_4462_9a4f_d3419ae1df43 emmo:EMMO_7db11dbf_a643_464a_9b56_07eabcc3e9c5 emmo:EMMO_8d00f093_3f45_4ea3_986c_b3545c3c2f4c emmo:EMMO_9bfd6f1e_b0ce_459c_beb7_8f1f41708bba emmo:EMMO_db5dd38d_ac79_4af6_8782_fee7e7150ae8 emmo:EMMO_df6eeb01_1b41_4bd8_9257_a04fbd7cf000 ) ;
    skos:prefLabel "SIBaseUnit"@en .

emmo:EMMO_c5ddfdba_c074_4aa4_ad6b_1ac4942d300d a owl:Class ;
    emmo:EMMO_705f27ae_954c_4f13_98aa_18473fc52b25 """From Latin physica "study of nature" (and Ancient Greek φυσικός, “natural”).

Here the word relates to things perceived through the senses as opposed to the mind; tangible or concrete."""@en ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Item' that has part some 'Elementary' and whose temporal proper parts are only 'Physical'-s (i.e. it can be perceived without interruptions in time)."@en ;
    rdfs:comment """A 'Physical' is the class that contains all the individuals that stand for real world objects that interact physically with the ontologist, i.e. physical objects.

A physical object must be perceived through physical interaction by the ontologist. Then the ontologist can declare an individual standing for the physical object just perceived.

Perception is a subcategory of physical interactions. It is an interaction that stimulate a representation of the physical object within the ontologist (the agent)."""@en,
        """A 'Physical' must include at least an 'Elementary' part, and can include 'Void' parts.

A 'Physical' may include as part also the 'Void' surrounding or enclosed by its 'Physical' sub parts.

There are no particular criteria for 'Physical'-s structure, except that is made of some 'Elementary'-s as proper parts and not only 'Void'.

This is done in order to take into account the quantum nature of physical systems, in which the actual position of sub-components (e.g. electrons in an atom) is not known except for its probability distribution function (according to the Copenhagen interpretation.)

e.g. a real world object that has spatial parts an atom and a cubic light year of void, extending for some time, can be a physical object."""@en,
        """A 'Physical' with dimensions other than 4D cannot exist, following the restriction of the parent 'EMMO' class.

It follows from the fact that perception is always unfolding in time.

e.g. you always have an aperture time when you take a picture or measure a property. Instantaneous perceptions are idealizations (abstractions) or a very small time measurement."""@en,
        "In the EMMO there are no relations such as occupiesSpace, since 'Physical'-s are themselves the 4D regions."@en,
        """The EMMO can be used to represent real world entities as 'Physical'-s that are easy to connect to classical or quantum mechanical based models.

Classical mechanics poses no representational issues, for the EMMO: the 4D representation of 'Physical'-s is consistent with classical physics systems.

However, the representation of 'Physical'-s that are typically analized through quantum mechanics (e.g. molecules, atoms, clusters), is not straightforward.

1) De Broglie - Bohm interpretation
The most simple approach is to rely on Bohmian mechanics, in which each particle is supposed to exists in a specific position between measurements (hidden variables approach), while its trajectory is calculated using a Guiding Equation based on a quantum field calculated with the Schroedinger Equation.

While this approach is really easy to implement in an ontology, since each entity has its own well defined 4D region, its mathematical representation failed to receive large consensus due to the difficulties to include relativistic effects, to be extended to subnuclear scale and the strong non-locality assumtpion of the quantum field.

Nevertheless, the Bohmian mechanics is a numerical approach that is used in electronic models to reduce the computational effort of the solution of Schroedinger Equation.

In practice, an EMMO user can declare a 'physical' individual that stand for the whole quantum system to be described, and at the same time all sub-parts individuals can be declared, having them a well defined position in time, according to De Broglie - Bohm interpretation. The Hamiltonian can be calculated by considering the sub-part individuals.

'physical'-s are then made of 'physical' parts and 'void' parts that stand for the space between 'physical'-s (e.g. the void between electrons and nucleus in an atom).

2) Copenhagen interpretation
In this interpretation the properties (e.g. energy level, position, spin) of a particle are not defined in the interval between two measurements and the quantum system is entangled (i.e. properties of particles in the sysyem are correlated) and described by a global wavefunction obtained solving the Schroedinger Equation.

Upon measurement, the wavefunction collapses to a combination of close eigenstates that provide information about bservables of the system components (e.g. position, energy).

The EMMO can be used to represent 'physical'-s that can be related to Copenhagen based models. In practice, the user should follow these steps:

a) define the quantum system as a 'physical' individual (e.g. an H2 molecule) under a specific class (e.g. 'h2_molecule'). This individual is the whole.

b) define the axioms of the  class that describe how many sub-parts are expected for the whole and their class types (e.g. 'h2_molecule' has axioms 'has_proper_part exactly 2 electron' and 'has_proper_part exactly 2 nucleus)

c) the user can now connect the whole to a Schroedinger equation based model whose Hamiltonian is calculated trough the information coming only from the axioms. No individuals are declared for the subparts!

d) a measurement done on the quantum system that provides information on the sub-part observables is interpreted as wavefunction collapse and leads to the end of the whole and the declaration of the sub-parts individuals which can be themselves other quantum systems

e.g. if the outer electron of the H2 molecule interacts with another entity defining its state, then the whole that stands for the entangled H2 molecule becomes a 'physical' made of an electron individual, a quantum system made of one electron and two nuclei and the void between them.

e.g. in the Born-Oppenheimer approximation the user represent the atom by un-entangling nucleus and electronic cloud. The un-entanglement comes in the form of declaration of individual as parts.

e.g. the double slit experiment can be represent in the EMMO as:
a) before the slit: a 'physical' that extend in space and has parts 'electron' and 'void', called 'single_electron_wave_function'. 'electron' and 'void' are only in the axioms and not decalred individuals.
b) during slit passage: a 'physical' made of one declared individual, the 'electron'.
c) after the slit: again 'single_electron_wave_function'
d) upon collision with the detector:  'physical' made of one declared individual, the 'electron'."""@en,
        """The purpose of the 'Physical' branch is to provide a representation of the real world objects, while the models used to name, explain or predict the behaviour of the real world objects lay under the 'Semiotic' branch.

More than one semiotic representation can be connected to the same 'Physical'.

e.g. Navier-Stokes or Euler equation applied to the same fluid are an example of mathematical model used to represent a physical object for some specific interpreter."""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_17e27c22_37e1_468c_9dd7_95e137f73e7f ;
            owl:someValuesFrom emmo:EMMO_0f795e3e_c602_4577_9a43_d5a231aa1360 ],
        [ a owl:Restriction ;
            owl:allValuesFrom emmo:EMMO_c5ddfdba_c074_4aa4_ad6b_1ac4942d300d ;
            owl:onProperty emmo:EMMO_7afbed84_7593_4a23_bd88_9d9c6b04e8f6 ],
        emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de ;
    skos:prefLabel "Physical"@en .

emmo:EMMO_ae2d1a96_bfa1_409a_a7d2_03d69e8a125a a owl:ObjectProperty ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The relation between a process and an object participating to it."@en ;
    rdfs:comment "Participation is a parthood relation: you must be part (and then be connected) of the process to contribute to it."@en,
        "Participation is not under direct parthood since a process is not strictly related to reductionism, but it's a way to categorize temporal regions by the interpreters."@en ;
    rdfs:domain emmo:EMMO_43e9a05d_98af_41b4_92f6_00f79a09bfce ;
    rdfs:range emmo:EMMO_49804605_c0fe_4538_abda_f70ba1dc8a5d ;
    rdfs:subPropertyOf emmo:EMMO_17e27c22_37e1_468c_9dd7_95e137f73e7f ;
    skos:prefLabel "hasParticipant"@en .

emmo:EMMO_e0954911_fc88_492a_9830_fdb238e28cc2 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_2e9ace8a_1155_45b5_a066_d5fd9774e76c ;
    skos:prefLabel "TemporalOrderedElement"@en .

emmo:EMMO_f2ca6dd0_0e5f_4392_a92d_cafdae6cfc95 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Physical constant that by definition (after the latest revision of the SI system that was enforsed May 2019) has a known exact numerical value when expressed in SI units."@en ;
    rdfs:subClassOf emmo:EMMO_89762966_8076_4f7c_b745_f718d653e8e2 ;
    skos:prefLabel "SIExactConstant"@en .

emmo:EMMO_67fc0a36_8dcb_4ffa_9a43_31074efa3296 a owl:AsymmetricProperty,
        owl:InverseFunctionalProperty,
        owl:IrreflexiveProperty,
        owl:ObjectProperty ;
    rdfs:comment "Relates the physical quantity to its unit through spatial direct parthood."@en ;
    rdfs:domain emmo:EMMO_f658c301_ce93_46cf_9639_4eace2c5d1d5 ;
    rdfs:range emmo:EMMO_18ce5200_00f5_45bb_8c6f_6fb128cd41ae ;
    rdfs:subPropertyOf emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
    owl:versionInfo """In EMMO version 1.0.0-beta, physical quantities used the hasReferenceUnit object property to relate them to their units via physical dimensionality. This was simplified in 1.0.0-alpha3 in order to make reasoning faster.

The restriction (e.g. for the physical quantity Length)

    Length hasReferenceUnit only (hasPhysicsDimension only LengthDimension)

was in 1.0.0-alpha3 changed to

    Length hasPhysicsDimension some LengthDimension

Likewise were the universal restrictions on the corresponding unit changed to excistential. E.g.

    Metre hasPhysicsDimension only LengthDimension

was changed to

    Metre hasPhysicsDimension some LengthDimension

The label of this class was also changed from PhysicsDimension to PhysicalDimension.""" ;
    skos:prefLabel "hasReferenceUnit"@en .

emmo:EMMO_54ee6b5e_5261_44a8_86eb_5717e7fdb9d0 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The class of general mathematical symbolic objects respecting mathematical syntactic rules."@en ;
    rdfs:comment "A mathematical object in this branch is not representing a concept but an actual graphical object built using mathematcal symbols arranged in some way, according to math conventions." ;
    rdfs:subClassOf emmo:EMMO_d8d2144e_5c8d_455d_a643_5caf4d8d9df8 ;
    skos:prefLabel "Mathematical"@en .

emmo:EMMO_6795a4b8_ffd0_4588_a581_a9413fe49cac a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Non-SI units mentioned in the SI."@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Non-SI_units_mentioned_in_the_SI" ;
    rdfs:comment "This is a list of units that are not defined as part of the International System of Units (SI), but are otherwise mentioned in the SI brouchure, because either the General Conference on Weights and Measures (CGPM) accepts their use as being multiples or submultiples of SI-units, they have important contemporary application worldwide, or are otherwise commonly encountered worldwide."@en ;
    rdfs:subClassOf emmo:EMMO_3ee80521_3c23_4dd1_935d_9d522614a3e2,
        emmo:EMMO_591e02fd_8d37_45a6_9d11_bb21cef391a0 ;
    owl:disjointUnionOf ( emmo:EMMO_00dd79e0_31a6_427e_9b9c_90f3097e4a96 emmo:EMMO_053648ea_3c0a_468c_89cb_eb009239323a emmo:EMMO_1e0b665d_db6c_4752_a6d4_262d3a8dbb46 emmo:EMMO_21ef2ed6_c086_4d24_8a75_980d2bcc9282 emmo:EMMO_28ef05a7_ecc1_4df6_8116_c53251fbd4a8 emmo:EMMO_6a4547ab_3abb_430d_b81b_ce32d47729f5 emmo:EMMO_6c7160fc_cc64_46f0_b43b_aba65e9952e3 emmo:EMMO_a155dc93_d266_487e_b5e7_2a2c72d5ebf9 emmo:EMMO_b41515a9_28d8_4d78_8165_74b2fc72f89e emmo:EMMO_b8830065_3809_41b7_be3c_e33795567fd9 emmo:EMMO_cabb20f0_05c7_448f_9485_e129725f15a4 emmo:EMMO_d6eb0176_a0d7_4b4e_8df0_50e912be2342 emmo:EMMO_e29f84db_4c1c_46ae_aa38_c4d47536b972 emmo:EMMO_f8b92999_3cde_46e3_99d5_664da3090a02 ) ;
    skos:prefLabel "SIAcceptedSpecialUnit"@en .

emmo:EMMO_a1083d0a_c1fb_471f_8e20_a98f881ad527 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The class of individuals that stand for an elementary mark of a specific symbolic code (alphabet)."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a "The class of letter \"A\" is the symbol as idea and the letter A that you see on the screen is the mark."@en ;
    rdfs:comment """Subclasses of 'Symbol' are alphabets, in formal languages terminology.

A 'Symbol' is atomic for that alphabet, i.e. it has no parts that are symbols for the same alphabet.
e.g. a math symbol is not made of other math symbols

A Symbol may be a String in another language.
e.g. "Bq" is the symbol for Becquerel units when dealing with metrology, or a string of "B" and "q" symbols when dealing with characters."""@en,
        """Symbols of a formal language need not be symbols of anything. For instance there are logical constants which do not refer to any idea, but rather serve as a form of punctuation in the language (e.g. parentheses).

Symbols of a formal language must be capable of being specified without any reference to any interpretation of them.
(Wikipedia)"""@en,
        "The class is the idea of the symbol, while the individual of that class stands for a specific mark (or token) of that idea."@en ;
    rdfs:subClassOf emmo:EMMO_057e7d57_aff0_49de_911a_8861d85cef40 ;
    skos:prefLabel "Symbol"@en .

emmo:EMMO_eb3a768e_d53e_4be9_a23b_0714833c36de a owl:Class ;
    emmo:EMMO_705f27ae_954c_4f13_98aa_18473fc52b25 "From Latin item, \"likewise, just so, moreover\"."@en ;
    rdfs:comment """A real world object is self-connected if any two parts that make up the whole are connected to each other (here the concept of connection is primitive).

Alternatively, using the primitive path-connectivity concept we can define a self-connected real world object as an object for which each couple of points is path-connected."""@en,
        """An 'Item' individual stands for a real world self-connected object which can be represented as a whole made of connected parts (e.g. a car made of components).

In the EMMO, connectivity is the topological foundation of causality.

All physical systems, i.e. systems whose behaviour is explained by physics laws, are represented only by 'Item'-s.

Members of a 'Collection' lack of causality connection, i.e. they do not constitute a physical system as a whole."""@en ;
    rdfs:subClassOf emmo:EMMO_802d3e92_8770_4f98_a289_ccaaab7fdddf ;
    owl:disjointUnionOf ( emmo:EMMO_29072ec4_ffcb_42fb_bdc7_26f05a2e9873 emmo:EMMO_c5ddfdba_c074_4aa4_ad6b_1ac4942d300d ) ;
    skos:prefLabel "Item"@en .

emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A 'Physical' which is a tessellation of spatial direct parts."@en ;
    emmo:EMMO_b432d2d5_25f4_4165_99c5_5935a7763c1a """e.g. the existent in my glass is declared at t = t_start as made of two direct parts: the ice and the water. It will continue to exists as state as long as the ice is completely melt at t = t_end. The new state will be completely made of water. Between t_start and t_end there is an exchange of molecules between the ice and the water, but this does not affect the existence of the two states.

If we partition the existent in my glass as ice surrounded by several molecules (we do not use the object water as direct part) then the appearance of a molecule coming from the ice will cause a state to end and another state to begin."""@en ;
    rdfs:comment """Direct partitions declaration is a choice of the ontologist that choses the classes to be used as direct parts, according to its own world view.

A 'State' can always be direct partitioned in 'Elementary'-s and 'Void' or 'Physical'.

e.g. the water in my glass can be seen as a single object without declaring direct parts, or as made of H2O molecules direct parts."""@en,
        """The definition of 'State' implies that its spatial direct parts (i.e. 'physicals') are not gained or lost during its temporal extension (they exist from the left to the right side of the time interval), so that the cardinality of spatial direct parts in a 'State' is constant.

This does not mean that there cannot be a change in the internal structure of the 'State' direct parts. It means only that this change must not affect the existence of the direct part itself.

There is no change in granularity or cardinality of direct parts of a 'State'.

The use of spatial direct parthood in 'State' definition means that a 'State' cannot overlap in space another 'State'."""@en,
        """The usefulness of 'State' is that it makes it possible to describe the evolution in time of an 'Existent' in terms of series of 'State'-s that can take into account the disappearance or appearance of parts within a 'Physical'.

A 'State' is a recognizable granularity level of matter, in the sense that its direct parts do not appear or disappear within its lifetime as it can be for a generic 'Existent'."""@en,
        """There is no change in granularity or cardinality of parts within a state.

The use of spatial direct parthood in state definition means that a state cannot overlap in space another state that is direct part of the same whole."""@en ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
            owl:someValuesFrom emmo:EMMO_c5ddfdba_c074_4aa4_ad6b_1ac4942d300d ],
        emmo:EMMO_15db234d_ecaf_4715_9838_4b4ec424fb13 ;
    skos:prefLabel "State"@en .

emmo:EMMO_471cb92b_edca_4cf9_bce8_a75084d876b8 a owl:Class ;
    rdfs:subClassOf emmo:EMMO_7d2afa66_ae9e_4095_a9bf_421d0be401b6 ;
    owl:disjointUnionOf ( emmo:EMMO_068c4e58_2470_4b1c_8454_010dd4906100 emmo:EMMO_1181c938_c8f0_4ad6_bc7a_2bfdc0903d29 emmo:EMMO_1d8b370b_c672_4d0c_964e_eaafcbf2f51f emmo:EMMO_21aaefc1_3f86_4208_b7db_a755f31f0f8c emmo:EMMO_23bfe79a_cade_48f1_9a8c_fd96e6bac8ba emmo:EMMO_254472c6_3dbd_4f02_bc43_571389cd281f emmo:EMMO_3a204900_2b33_47d1_b444_815cc4c8cffa emmo:EMMO_42955b2d_b465_4666_86cc_ea3c2d685753 emmo:EMMO_43a6b269_da31_4bb6_a537_c97df4fff32a emmo:EMMO_5cf9f86c_86f5_40c4_846d_60371f670e0a emmo:EMMO_5eaecadc_4f0d_4a3a_afc7_1fc0b83cc928 emmo:EMMO_74931b1b_c133_4e59_9a75_1bf0e1626201 emmo:EMMO_9ff3bf8e_2168_406e_8251_1d158fc948ae emmo:EMMO_a3a701ed_6f7d_4a10_9aee_dfa1961fc7b7 emmo:EMMO_a8eb4bbb_1bd3_4ad4_b114_2789bcbd2134 emmo:EMMO_b55cd09a_e54d_4eb1_81dd_03c29d1b878e emmo:EMMO_daa9ee97_4c5f_42e5_918c_44d7523e8958 emmo:EMMO_e1981c25_7c55_4020_aa7a_d2e14ced86d4 emmo:EMMO_e79c62ff_10ad_4ec0_baba_c19ddd4eaa11 emmo:EMMO_f5769206_9257_4b08_bf7b_dad7868c6afc ) ;
    skos:prefLabel "SIMetricPrefix"@en .

emmo:EMMO_3446e167_c576_49d6_846c_215bb8878a55 a owl:ObjectProperty ;
    rdfs:domain emmo:EMMO_54ee6b5e_5261_44a8_86eb_5717e7fdb9d0 ;
    rdfs:range emmo:EMMO_1eed0732_e3f1_4b2c_a9c4_b4e75eeb5895 ;
    rdfs:subPropertyOf emmo:EMMO_eb3518bf_f799_4f9e_8c3e_ce59af11453b ;
    skos:prefLabel "hasVariable"@en .

emmo:EMMO_e9ffc696_5228_4ff9_8a60_0f5e05e9931b a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "The 22 derived units that are given a special name in the SI system that stands for units derived by SI base units."@en ;
    emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/International_System_of_Units#Derived_units" ;
    rdfs:comment "These units are SI coherent by definition."@en ;
    rdfs:subClassOf emmo:EMMO_32129fb5_df25_48fd_a29c_18a2f22a2dd5,
        emmo:EMMO_3ee80521_3c23_4dd1_935d_9d522614a3e2 ;
    owl:disjointUnionOf ( emmo:EMMO_00199e76_69dc_45b6_a9c6_98cc90cdc0f5 emmo:EMMO_080052a1_f295_44be_a60f_1326ce13f1ba emmo:EMMO_33b67e69_3645_4c73_b100_5ea6759221b4 emmo:EMMO_59c10c5c_47bd_4348_ba39_38836607dfa1 emmo:EMMO_696ed548_9477_45ea_993c_6a8f5271914a emmo:EMMO_8a70dea4_d6ab_4260_b931_a3e990982416 emmo:EMMO_a121bb1d_5225_4c78_809b_0268c3012208 emmo:EMMO_a80dc6f5_b1aa_41a7_a3a8_cd5040da2162 emmo:EMMO_a9201b2f_e6de_442a_b3a6_d292a5820bc5 emmo:EMMO_a979c531_f9fa_4a6e_93c1_a2960241ca64 emmo:EMMO_acb50123_87a2_4753_b36c_f87114ad4de2 emmo:EMMO_b20be325_8bfd_4237_bee7_201ab0fd9c75 emmo:EMMO_b71e4ba5_8f73_4199_8c96_7ea7f94d9e2a emmo:EMMO_cf3dd6cc_c5d6_4b3d_aef4_82f3b7a361af emmo:EMMO_d7b7fd1e_645a_42cb_8f40_85f0d034d3ae emmo:EMMO_d7f11b34_a121_4519_87c0_aa754f1c4737 emmo:EMMO_da1dd4a7_c611_4ad4_bef6_7646f28aa598 emmo:EMMO_dc232f53_8ed8_4ddd_9f41_cc057985eadb emmo:EMMO_e2207e91_02b0_4a8a_b13e_61d2a2a839f1 emmo:EMMO_e75f580e_52bf_4dd5_af70_df409cec08fd emmo:EMMO_f2523820_04a6_44ab_bb67_8237dda2b0c2 emmo:EMMO_fab003c8_f7a6_4346_9988_7161325ed7a3 ) ;
    skos:prefLabel "SISpecialUnit"@en .

emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe a owl:AsymmetricProperty,
        owl:InverseFunctionalProperty,
        owl:IrreflexiveProperty,
        owl:ObjectProperty ;
    rdfs:domain emmo:EMMO_36c79456_e29c_400d_8bd3_0eedddb82652 ;
    rdfs:subPropertyOf emmo:EMMO_f68030be_94b8_4c61_a161_886468558054 ;
    skos:prefLabel "hasSpatialDirectPart"@en .

emmo:EMMO_faf79f53_749d_40b2_807c_d34244c192f4 a owl:DatatypeProperty ;
    rdfs:domain emmo:EMMO_4ce76d7f_03f8_45b6_9003_90052a79bfaa ;
    rdfs:subPropertyOf owl:topDataProperty ;
    skos:prefLabel "hasNumericalData"@en .

emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A symbol that, following SI specifications, describe the physical dimensionality of a physical quantity and the exponents of the base units in a measurement unit."@en ;
    rdfs:comment """All physical quantities, with the exception of counts, are derived quantities, which may be written in terms of base quantities according to the equations of physics. The dimensions of the derived quantities are written as products of powers of the dimensions of the base quantities using the equations that relate the derived quantities to the base quantities.
In general the dimension of any quantity Q is written in the form of a dimensional product,

dim Q = T^α L^β M^γ I^δ Θ^ε N^ζ J^η

where the exponents α, β, γ, δ, ε, ζ and η, which are generally small integers, which can be positive, negative, or zero, are called the dimensional exponents.
(SI brochure)"""@en,
        """The conventional symbolic representation of the dimension of a base quantity is a single upper case letter in roman (upright) type. The conventional symbolic representation of the dimension of a derived quantity is the product of powers of the dimensions of the base quantities according to the definition of the derived quantity. The dimension of a quantity Q is denoted by dim Q.
ISO 80000-1"""@en,
        """The expression used by the EMMO for physical dimensions is a metrological symbol (but a string at meta level, i.e. the ontologist level) like this:

Ta Lb Mc Id Θe Nf Jg

where a, b, c, d, e, f and g are 0 or signed integers.

Regex for the physical dimension symbol for the EMMO is:
^T([+-][1-9]|0) L([+-][1-9]|0) M([+-][1-9]|0) I([+-][1-9]|0) Θ([+-][1-9]|0) N([+-][1-9]|0) J([+-][1-9]|0)$

Examples of correspondance between base units and physical dimensions are:
mol -> T0 L0 M0 I0 Θ0 N+1 J0
s -> T+1 L0 M0 I0 Θ0 N0 J0
A/m2 -> T0 L0 M-2 I+1 Θ0 N0 J0"""@en ;
    rdfs:subClassOf emmo:EMMO_50a3552e_859a_4ff7_946d_76d537cabce6 ;
    skos:prefLabel "PhysicalDimension"@en .

emmo:EMMO_2946d40b_24a1_47fa_8176_e3f79bb45064 a owl:Class ;
    emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Derived quantities defined in the International System of Quantities (ISQ)."@en ;
    rdfs:subClassOf emmo:EMMO_71f6ab56_342c_484b_bbe0_de86b7367cb3,
        emmo:EMMO_f35cff4d_dc09_44cf_a729_22fb79e3bfb2 ;
    skos:prefLabel "ISQDerivedQuantity"@en .

emmo:EMMO_bed1d005_b04e_4a90_94cf_02bc678a8569 a owl:ObjectProperty ;
    rdfs:range emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
    rdfs:subPropertyOf emmo:EMMO_e1097637_70d2_4895_973f_2396f04fa204 ;
    skos:prefLabel "hasPhysicalDimension"@en .

emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 a owl:DatatypeProperty,
        owl:FunctionalProperty ;
    rdfs:domain emmo:EMMO_a1083d0a_c1fb_471f_8e20_a98f881ad527 ;
    rdfs:range xsd:string ;
    rdfs:subPropertyOf owl:topDataProperty ;
    skos:prefLabel "hasSymbolData"@en .

[] owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger .

[] owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger .

[] owl:qualifiedCardinality "3"^^xsd:nonNegativeInteger .

[] owl:minQualifiedCardinality "1"^^xsd:nonNegativeInteger .

[] owl:minQualifiedCardinality "2"^^xsd:nonNegativeInteger .

[] owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger .

[] owl:qualifiedCardinality "4"^^xsd:nonNegativeInteger .

[] owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger .

[] owl:minQualifiedCardinality "2"^^xsd:nonNegativeInteger .

[] owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger .

[] owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger .

[] owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger .

[] owl:minQualifiedCardinality "1"^^xsd:nonNegativeInteger .

[] owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger .

[] owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger .