Thu, 06 Jan 2011 13:28:40 +0000 Christian Urban cleaned up weakening proof and added a version with finit sets
Thu, 06 Jan 2011 13:28:19 +0000 Christian Urban same
Thu, 06 Jan 2011 13:28:04 +0000 Christian Urban some further lemmas for fsets
(0) -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 tip