Sun, 22 Nov 2009 15:27:10 +0100 updated to new Isabelle and clarified Skip_Proof
Christian Urban <urbanc@in.tum.de> [Sun, 22 Nov 2009 15:27:10 +0100] rev 401
updated to new Isabelle and clarified Skip_Proof
(0) -300 -100 -30 -10 -1 +1 +10 +30 +100 tip