Wed, 20 May 2009 12:10:22 +0200 haftmann removed quickcheck generator for type copies temporarily
Wed, 20 May 2009 12:09:07 +0200 haftmann avoid potential problem with stale theory
Wed, 20 May 2009 10:37:38 +0200 haftmann dropped parentheses
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip