Tue, 02 Mar 2010 15:07:27 +0100 Christian Urban merged
Tue, 02 Mar 2010 15:05:50 +0100 Christian Urban added distinctness of perms
Tue, 02 Mar 2010 15:05:35 +0100 Christian Urban updated (added lemma about commuting permutations)
(0) -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 tip