SubClassOf(<http://www.semanticweb.org/ontology#X0> owl:Thing)
SubClassOf(<http://www.semanticweb.org/ontology#X1> ObjectComplementOf(<http://www.semanticweb.org/owlapi/test#C>))
SubClassOf(owl:Thing ObjectUnionOf(<http://www.semanticweb.org/ontology#X0> <http://www.semanticweb.org/ontology#X1>))