Wed, 14 Jul 1999 13:32:21 +0200 wenzelm tuned;
Wed, 14 Jul 1999 13:07:09 +0200 wenzelm tuned comments;
Wed, 14 Jul 1999 13:06:08 +0200 wenzelm tuned contradiction method;
Wed, 14 Jul 1999 13:05:46 +0200 wenzelm improved comment;
Wed, 14 Jul 1999 13:05:28 +0200 wenzelm more marg_comments;
Wed, 14 Jul 1999 12:28:12 +0200 wenzelm Deriving rules in Isabelle;
(0) -3000 -1000 -300 -100 -30 -10 -6 +6 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip