src/HOL/Algebra/Group.thy
Wed, 07 May 2003 22:07:33 +0200 ballarin Small changes for release Isabelle 2003.
Fri, 02 May 2003 20:02:50 +0200 ballarin HOL-Algebra complete for release Isabelle2003 (modulo section headers).
Thu, 01 May 2003 11:54:18 +0200 paulson new proofs about direct products, etc.
Thu, 01 May 2003 10:29:44 +0200 paulson moving Bij.thy from GroupTheory to Algebra
Wed, 30 Apr 2003 18:32:06 +0200 ballarin HOL-Algebra: New polynomial development added.
Wed, 30 Apr 2003 10:01:35 +0200 ballarin Greatly extended CRing. Added Module.
Mon, 10 Mar 2003 17:25:34 +0100 ballarin First distributed version of Group and Ring theory.
Thu, 27 Feb 2003 15:12:29 +0100 ballarin Change to meta simplifier: congruence rules may now have frees as head of term.
Fri, 14 Feb 2003 17:35:56 +0100 ballarin Product operator added --- preliminary.
Mon, 10 Feb 2003 09:45:22 +0100 ballarin New development of algebra: Groups.
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