src/HOL/Deriv.thy
Mon, 19 Jul 2010 16:09:44 +0200 haftmann diff_minus subsumes diff_def
Sun, 09 May 2010 17:47:43 -0700 huffman avoid using real-specific versions of generic lemmas
Thu, 18 Feb 2010 14:21:44 -0800 huffman get rid of many duplicate simp rule warnings
Sat, 16 Jan 2010 17:15:28 +0100 haftmann dropped some old primrecs and some constdefs
Sun, 15 Nov 2009 00:34:21 +0100 wenzelm simplified bulky metis proofs;
Fri, 13 Nov 2009 15:38:45 +0100 wenzelm more "anti_sym" -> "antisym" (cf. a4179bf442d1);
Fri, 13 Nov 2009 11:33:33 +0000 paulson A number of theorems contributed by Jeremy Avigad
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