Owl:disjointWith

  

Use
          

  </owl:Class>

<owl:Class rdf:about="#Operetta"> <rdfs:subClassOf rdf:resource="#MusicDrama"/> <owl:disjointWith rdf:resource="#Opera"/> </owl:Class>

<owl:Class rdf:about="#Musical"> <rdfs:subClassOf rdf:resource="#MusicDrama"/> <owl:disjointWith rdf:resource="#Opera"/> <owl:disjointWith rdf:resource="#Operetta"/> </owl:Class>