Tue, 04 Apr 2000 22:16:11 +0200 wenzelm print_simpset / print_claset command;
Tue, 04 Apr 2000 18:08:08 +0200 wenzelm case_tac / induct_tac: optional rule;
(0) -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip