src/ZF/ex/Group.thy
Sun, 09 Apr 2017 20:44:35 +0200 wenzelm clarified main ZF.thy / ZFC.thy, and avoid name clash with global HOL/Main.thy;
Mon, 07 Dec 2015 10:23:50 +0100 wenzelm isabelle update_cartouches -c -t;
Wed, 04 Nov 2015 08:13:49 +0100 ballarin Qualifiers in locale expressions default to mandatory regardless of the command.
Thu, 23 Jul 2015 14:25:05 +0200 wenzelm isabelle update_cartouches;
Sun, 02 Nov 2014 16:39:54 +0100 wenzelm modernized header;
Sat, 01 Nov 2014 14:20:38 +0100 wenzelm eliminated spurious semicolons;
Wed, 10 Oct 2012 15:27:10 +0200 wenzelm avoid duplicate facts;
Thu, 15 Mar 2012 16:35:02 +0000 paulson replacing ":" by "\<in>"
Tue, 06 Mar 2012 16:46:27 +0000 paulson mathematical symbols for Isabelle/ZF example theories
Tue, 06 Mar 2012 15:15:49 +0000 paulson mathematical symbols instead of ASCII
Wed, 12 Jan 2011 15:38:57 +0100 wenzelm eliminated global prems;
Sat, 17 Oct 2009 14:43:18 +0200 wenzelm eliminated hard tabulators, guessing at each author's individual tab-width;
Thu, 11 Dec 2008 18:30:26 +0100 ballarin Conversion of HOL-Main and ZF to new locales.
Wed, 16 Jul 2008 14:21:57 +0200 ballarin Removed uses of context element includes.
Wed, 05 Mar 2008 21:24:03 +0100 wenzelm explicit referencing of background facts;
Fri, 11 May 2007 00:43:45 +0200 wenzelm tuned proofs;
Fri, 17 Nov 2006 02:20:03 +0100 wenzelm more robust syntax for definition/abbreviation/notation;
Tue, 07 Nov 2006 19:40:13 +0100 wenzelm tuned specifications;
Tue, 20 Jun 2006 15:53:44 +0200 ballarin Restructured locales with predicates: import is now an interpretation.
Fri, 17 Jun 2005 16:12:49 +0200 haftmann migrated theory headers to new format
Wed, 09 Jun 2004 12:24:02 +0200 paulson fixed the groupI ambiguity
Tue, 08 Jun 2004 16:33:44 +0200 paulson Groups, Rings and supporting lemmas
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