Wed, 08 Sep 1999 15:44:56 +0200 paulson new theorem single_Diff_lessThan
Wed, 08 Sep 1999 15:44:11 +0200 paulson now uses the identity function
Wed, 08 Sep 1999 15:41:58 +0200 paulson simplification of relations involving 0, Suc and natural-number numerals
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip