Fri, 13 Feb 2009 10:30:26 +0100 haftmann merged
Fri, 13 Feb 2009 10:30:13 +0100 haftmann fixed codegen tool
Fri, 13 Feb 2009 09:56:24 +0100 nipkow merged
Fri, 13 Feb 2009 09:54:47 +0100 nipkow Moved Nat_Int_Bij into Library
Fri, 13 Feb 2009 08:59:06 +0100 haftmann removed Reflection session
Thu, 12 Feb 2009 21:24:14 -0800 huffman add lemma add_nonneg_eq_0_iff
Thu, 12 Feb 2009 20:36:41 -0800 huffman add lemmas about sgn
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