Thu, 08 Apr 2010 08:40:49 +0200 Christian Urban final version of the pearl paper
Wed, 07 Apr 2010 22:08:46 +0200 Christian Urban my final version of the paper
Wed, 07 Apr 2010 17:37:29 +0200 Christian Urban added an induction principle for permutations; removed add_perm construction
(0) -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 tip