protected boolean isConsistent(OWLOntologyManager manager, OWLOntology o) throws OWLReasonerException { OWLReasoner reasoner = JcelReasonerManager.getInstance().getJcelReasoner(manager); this.reasoner = reasoner; reasoner.clearOntologies(); reasoner.loadOntologies(Collections.singleton(o)); reasoner.classify(); boolean ret = reasoner.isConsistent(o); return ret; }