Sat, 18 Nov 2000 19:47:36 +0100 wenzelm default_intro_classes_tac: Tactic.distinct_subgoals_tac;
Sat, 18 Nov 2000 19:47:12 +0100 wenzelm axclass ordered_ring;
(0) -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip