@prefix gist: <https://w3id.org/semanticarts/ns/ontology/gist/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@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#> .

gist:PhysicalIdentifiableItem rdfs:subClassOf [ a owl:Restriction ;
            owl:onProperty gist:isMadeUpOf ;
            owl:someValuesFrom gist:PhysicalSubstance ] .

gist:isMadeUpOf a owl:ObjectProperty ;
    rdfs:label "is made up of"^^xsd:string ;
    rdfs:comment "DEFINITION: Relates something to a substance that it is made up of."^^xsd:string,
        "EXAMPLE: A vase is made of clay; water is made up of hydrogen and oxygen."^^xsd:string ;
    rdfs:isDefinedBy <https://w3id.org/semanticarts/ontology/gistCore14.1.0> ;
    rdfs:range gist:PhysicalSubstance ;
    skos:definition "Relates something to a substance that it is made up of."^^xsd:string ;
    skos:example "A vase is made of clay; water is made up of hydrogen and oxygen."^^xsd:string ;
    skos:prefLabel "is made up of"^^xsd:string .