roundtripped.getLogicalAxioms());
}
@Nonnull
private OWLOntology buildOntology() throws OWLOntologyCreationException {
OWLClass c = Class(IRI(NS + "#C"));
OWLClass d = Class(IRI(NS + "#D"));
OWLClass e = Class(IRI(NS + "#E"));
OWLClass f = Class(IRI(NS + "#F"));
OWLOntology ontology = m.createOntology(IRI(NS));
OWLDisjointClassesAxiom disjointClasses = DisjointClasses(
ObjectUnionOf(c, d), ObjectUnionOf(c, e), ObjectUnionOf(c, f));
m.addAxiom(ontology, disjointClasses);
return ontology;