Thu, 18 Mar 2010 09:31:31 +0100 Christian Urban simplified strong induction proof by using flip
Thu, 18 Mar 2010 08:32:55 +0100 Cezary Kaliszyk Rename bound variables + minor cleaning.
(0) -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 tip