Mon, 16 Aug 2010 19:57:41 +0800 Christian Urban cezary made the eq_iff lemmas to lift (still needs some infrastructure in quotient)
Mon, 16 Aug 2010 17:59:09 +0800 Christian Urban pinpointed the problem
Mon, 16 Aug 2010 17:39:16 +0800 Christian Urban modified the code for class instantiations (with help from Florian)
(0) -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 tip