Mon, 20 Mar 2000 18:49:14 +0100 proof methods: 'case_tac' / 'induct_tac';
wenzelm [Mon, 20 Mar 2000 18:49:14 +0100] rev 8541
proof methods: 'case_tac' / 'induct_tac';
(0) -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip