return null;
}
private Bool checkAllValuesClash(KnowledgeBase kb, ATermAppl av, CachedNode root,
CachedNode otherRoot) {
ATerm r = av.getArgument( 0 );
if( r.getType() == ATerm.LIST )
r = ((ATermList) r).getFirst();
Role role = kb.getRole( r );
if( !role.hasComplexSubRole() ) {
if( otherRoot.hasRNeighbor( role ) ) {