public static boolean knowsNamedClass(String classNameToTest) {
	ManchesterOWLSyntaxEditorParser parser = new ManchesterOWLSyntaxEditorParser(factory, classNameToTest);
	parser.setDefaultOntology(ontology);
	parser.setOWLEntityChecker(entityChecker);
	if(parser.isClassName(classNameToTest)){
	    return true;
	}else{
	    return false;
	}
    }