Positive law is two-dimensional: it has a justice (or ideal) dimension (and requisite) and a factual (or real) dimension (and requisite). Both are essential. Hence positive law lapses when either of the two is absent. In terms of the factual requisite, law remains in place as actual norms of law (unlike mere norm-formulations), provided that a minimum degree of effectiveness is maintained; that is to say, only as long as the subjects of the law consistently and voluntarily act in accordance with such norm/s, and provided further that deviant conduct is remedied by effective coercive measures. "Norm/s" that lose the factual dimension lapse into mere norm-formulations and no longer qualify as positive law. Thus viewed, a realistic grasp of...