Sat, 13 Jun 2015 22:57:31 +0100 paulson Merge
Sat, 13 Jun 2015 22:48:47 +0100 paulson fixed another horrible proof
Sat, 13 Jun 2015 23:57:19 +0200 wenzelm tuned proofs;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 tip