ClauseEntry axiom = rule.getHeadElement(j); if (axiom instanceof TriplePattern) { axioms.add(((TriplePattern)axiom).asTriple()); } else if (axiom instanceof Functor) { if (contextForBuiltins == null) {
if (head instanceof TriplePattern) { TriplePattern h = (TriplePattern) head; transitiveEngine.add(h.asTriple());