Wed, 07 Apr 2010 17:37:29 +0200 added an induction principle for permutations; removed add_perm construction
Christian Urban <urbanc@in.tum.de> [Wed, 07 Apr 2010 17:37:29 +0200] rev 1778
added an induction principle for permutations; removed add_perm construction
(0) -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 tip