Pair<OWLClass,OWLClass> pair = getSubClassAxiom( unsatClass );
if( pair != null ) {
Set<Set<ATermAppl>> exps = TaxonomyUtils.getSuperExplanations(
pellet.getKB().getTaxonomy(),
pellet.term( pair.first ),
pellet.term( pair.second ) );
if( exps != null ) {
Set<OWLAxiom> result = convertExplanation( exps.iterator().next() );
if( log.isLoggable( Level.FINE ) )