Wed, 05 Nov 1997 13:29:47 +0100 paulson Expandshort; new theorem le_square
Wed, 05 Nov 1997 13:27:58 +0100 paulson generalized UNION1 to UNION
Wed, 05 Nov 1997 13:27:29 +0100 paulson Tidied Key_supply3
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip