Tue, 06 Apr 2010 23:33:40 +0200 isarfied proof about existence of a permutation list
Christian Urban <urbanc@in.tum.de> [Tue, 06 Apr 2010 23:33:40 +0200] rev 1777
isarfied proof about existence of a permutation list
(0) -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 tip