Wed, 25 Aug 1999 10:59:32 +0200 paulson renamed some theorems; also better natural deduction style for old ones
Wed, 25 Aug 1999 10:58:08 +0200 paulson project constants
(0) -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip