Thu, 05 Aug 2004 10:50:58 +0200 paulson some structured proofs
Wed, 04 Aug 2004 19:12:15 +0200 nipkow added a thm
(0) -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip