String ns = "http://www.integratedmodelling.org/ks/tarassandbox/set-theory.owl#";
OWLOntology ont = loadOntology( base + "set-theory.owl" );
PelletReasoner reasoner = PelletReasonerFactory.getInstance().createReasoner( ont );
reasoner.getKB().classify();
assertEquals( SetUtils.create( OWL.Class( ns + "SetOfXSets" ), OWL.Class( ns + "XSet" ),
OWL.Class( ns + "XThing" ) ), reasoner.getSubClasses(
OWL.Class( ns + "XSetTheoryClass" ), true ).getFlattened() );
}