Tue, 20 Mar 2012 11:03:46 +0000 paulson merged
Tue, 20 Mar 2012 11:03:25 +0000 paulson more structured proofs
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip