Thu, 08 Jul 1999 18:36:09 +0200 wenzelm propp: 'concl' patterns;
Thu, 08 Jul 1999 18:35:44 +0200 wenzelm terminal_proof: 2nd method;
Thu, 08 Jul 1999 18:35:11 +0200 wenzelm 'export';
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip