Fri, 28 Mar 2008 19:43:54 +0100 wenzelm avoid rebinding of existing facts;
Fri, 28 Mar 2008 19:12:39 +0100 haftmann some styling
Fri, 28 Mar 2008 18:56:43 +0100 haftmann some styling
Fri, 28 Mar 2008 18:51:17 +0100 haftmann some styling
Fri, 28 Mar 2008 11:08:18 +0100 urbanc tuned proofs
Fri, 28 Mar 2008 00:02:58 +0100 wenzelm tuned;
(0) -10000 -3000 -1000 -300 -100 -30 -10 -6 +6 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip