Showing the cardinality 0..3, the 0 means no minimum.
Note the SubClassOf(:A ObjectMaxCardinality(3 :hasB)). This is important, because the cardinality is actually exported and noted in the OWL ontology. In previous versions, this was not supported.
Ontology(<http://example.com/ontology/Unnamed> Annotation(rdfs:label "Example"^^xsd:string) Declaration(Class(:A)) Declaration(Class(:B)) Declaration(ObjectProperty(:hasB)) ############################ # Object Properties ############################ # Object Property: :hasB (has b) AnnotationAssertion(rdfs:label :hasB "has b"^^xsd:string) ObjectPropertyDomain(:hasB :A) ObjectPropertyRange(:hasB :B) ############################ # Classes ############################ # Class: :A (:A) SubClassOf(:A ObjectMaxCardinality(3 :hasB)) )