_:vb50857950	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Restriction> .
_:vb50857950	<http://www.w3.org/2002/07/owl#onProperty>	<http://www.w3.org/ns/prov#removedKey> .
_:vb50857950	<http://www.w3.org/2002/07/owl#minCardinality>	"1"^^<http://www.w3.org/2001/XMLSchema#int> .
<http://www.w3.org/ns/prov#Removal>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	_:vb50857950 .