if(abox.doExplanation()) {
ATermAppl positive = (ATermUtils.isNot(notD) ? d : notD);
abox.setClash(Clash.atomic(node, clashDepends.union(ds, abox.doExplanation()), positive));
}
else
abox.setClash(Clash.atomic(node, clashDepends.union(ds, abox.doExplanation())));
//CHW - added for inc reasoning
if(PelletOptions.USE_INCREMENTAL_DELETION)
abox.getKB().getDependencyIndex().addCloseBranchDependency(this, abox.getClash().getDepends());