Mon, 19 Aug 1996 11:22:16 +0200 paulson Improved the proof of Problem 38
Mon, 19 Aug 1996 11:20:37 +0200 paulson Added a lot of basic laws, from HOL/simpdata
(0) -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip