src/HOL/OrderedGroup.ML
Fri, 10 Mar 2006 15:33:48 +0100 haftmann renamed HOL + - * etc. to HOL.plus HOL.minus HOL.times etc.
Sat, 04 Feb 2006 03:14:32 +0100 huffman speedup: use simproc for AC rules
Sat, 25 Jun 2005 16:06:17 +0200 nipkow Changes due to new abel_cancel.ML
Fri, 17 Jun 2005 18:33:03 +0200 wenzelm renamed sg_ref to thy_ref;
Tue, 18 May 2004 10:02:50 +0200 obua simplification for abelian groups
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