Thu, 18 Feb 2010 08:17:12 +0100 haftmann drop code lemma for ordered_keys
Wed, 17 Feb 2010 16:49:38 +0100 haftmann more lemmas about sort(_key)
Wed, 17 Feb 2010 16:49:37 +0100 haftmann added ordered_keys
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip