Wed, 04 Jul 2007 14:10:01 +0200 nipkow *** empty log message ***
Wed, 04 Jul 2007 13:56:26 +0200 paulson simplified a proof
Tue, 03 Jul 2007 23:00:42 +0200 wenzelm tuned;
(0) -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip