A property holder with self-referential object property.
Ontology(<http://nomagic.com/ontology/example-case/case-03b> Declaration( ObjectProperty(:isRelatedTo) ) SubClassOf( owl:Thing ObjectIntersectionOf( ObjectMinCardinality(1 :isRelatedTo) ) ) AnnotationAssertion(rdfs:label :isRelatedTo "is related to"@en) )
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