Wed, 09 Feb 2005 18:32:28 +0100 paulson new foldSet proofs
Wed, 09 Feb 2005 12:08:46 +0100 paulson revised fold1 proofs
Wed, 09 Feb 2005 10:17:09 +0100 paulson revised fold1 proofs
(0) -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip