Mon, 13 Mar 2000 13:18:59 +0100 wenzelm adapted to new PureThy.add_thms etc.;
Mon, 13 Mar 2000 13:17:52 +0100 wenzelm added Not;
(0) -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip