code: private static boolean basicConstraints(final Triple triple) {
          return memberContainerConstraints(triple) || triple.getPredicate().equals(LDP.insertedContentRelation)
                          || triple.getPredicate().equals(LDP.membershipResource)
                          || triple.getPredicate().equals(LDP.hasMemberRelation)
                          || triple.getPredicate().equals(LDP.isMemberOfRelation);
      }
docs: Identify those predicates that are prohibited in the given ixn model