http://www.meteck.org/teaching/OEbook/ontologies/AfricanWildlifeOntology1.owl#is-proper-part-of
@prefix AfricanWildlifeOntology1: <http://www.meteck.org/teaching/OEbook/ontologies/AfricanWildlifeOntology1.owl#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
AfricanWildlifeOntology1:is-proper-part-of a owl:IrreflexiveProperty,
owl:ObjectProperty ;
rdfs:subPropertyOf AfricanWildlifeOntology1:is-part-of .