}
}
else {
OWLDataFactory factory=getDataFactory();
OWLIndividual freshIndividual=factory.getOWLAnonymousIndividual("fresh-individual");
OWLClassAssertionAxiom assertSubClassExpression=factory.getOWLClassAssertionAxiom(subClassExpression,freshIndividual);
OWLClassAssertionAxiom assertNotSuperClassExpression=factory.getOWLClassAssertionAxiom(superClassExpression.getObjectComplementOf(),freshIndividual);
Tableau tableau=getTableau(assertSubClassExpression,assertNotSuperClassExpression);
return !tableau.isSatisfiable(true,null,null,null,null,null,ReasoningTaskDescription.isConceptSubsumedBy(subClassExpression,superClassExpression));
}
}