src/HOL/Algebra/CRing.thy
Fri, 17 Jun 2005 16:12:49 +0200 migrated theory headers to new format
Mon, 18 Apr 2005 09:25:23 +0200 Interpretation supports statically scoped attributes; documentation.
Mon, 11 Apr 2005 12:34:34 +0200 First release of interpretation commands.
Wed, 24 Nov 2004 11:13:00 +0100 mod because of change in finite set induction
Mon, 02 Aug 2004 09:44:46 +0200 Theories now take advantage of recent syntax improvements with (structure).
Thu, 17 Jun 2004 17:18:30 +0200 removal of magmas and semigroups
Fri, 23 Apr 2004 21:46:04 +0200 improved notation;
Thu, 22 Apr 2004 11:01:34 +0200 improved notation;
Fri, 16 Apr 2004 04:07:10 +0200 tuned document;
Tue, 13 Apr 2004 09:42:40 +0200 Various changes to HOL-Algebra;
Thu, 19 Feb 2004 16:44:21 +0100 New lemmas about inversion of restricted functions.
Wed, 10 Dec 2003 14:29:05 +0100 New structure "partial_object" as common root for lattices and magmas.
Tue, 30 Sep 2003 15:10:26 +0200 Changed order of prems in finprod_cong. Slight speedup.
Wed, 30 Apr 2003 10:01:35 +0200 Greatly extended CRing. Added Module.
Tue, 01 Apr 2003 16:08:34 +0200 Fixed Coset.thy (proved theorem factorgroup_is_group).
Fri, 14 Mar 2003 18:00:16 +0100 Bugs fixed and operators finprod and finsum.
Mon, 10 Mar 2003 17:25:34 +0100 First distributed version of Group and Ring theory.
Thu, 27 Feb 2003 15:12:29 +0100 Change to meta simplifier: congruence rules may now have frees as head of term.