Sat, 03 Sep 2011 08:01:49 -0700 shorten some proofs
huffman [Sat, 03 Sep 2011 08:01:49 -0700] rev 44679
shorten some proofs
Fri, 02 Sep 2011 20:58:31 -0700 remove redundant simp rules ceiling_floor and floor_ceiling
huffman [Fri, 02 Sep 2011 20:58:31 -0700] rev 44678
remove redundant simp rules ceiling_floor and floor_ceiling
Sat, 03 Sep 2011 22:05:25 +0200 misc tuning and simplification of proofs;
wenzelm [Sat, 03 Sep 2011 22:05:25 +0200] rev 44677
misc tuning and simplification of proofs;
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