Thu, 08 Apr 2004 15:14:33 +0200 paulson tidied
Thu, 08 Apr 2004 12:49:23 +0200 paulson new theory
Thu, 08 Apr 2004 12:45:22 +0200 paulson some (much longer) structured proofs
(0) -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip