Mon, 13 Feb 2012 19:33:03 +0000 some parts of the conclusion
urbanc [Mon, 13 Feb 2012 19:33:03 +0000] rev 314
some parts of the conclusion
Mon, 13 Feb 2012 15:42:45 +0000 proof idea
urbanc [Mon, 13 Feb 2012 15:42:45 +0000] rev 313
proof idea
(0) -300 -100 -30 -10 -2 +2 +10 +30 tip