src/ZF/UNITY/State.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;
Wed, 30 Dec 2015 17:45:18 +0100 wenzelm clarified syntax;
Thu, 23 Jul 2015 14:25:05 +0200 wenzelm isabelle update_cartouches;
Sun, 02 Nov 2014 16:39:54 +0100 wenzelm modernized header;
Tue, 06 Mar 2012 17:01:37 +0000 paulson More mathematical symbols for ZF examples
Thu, 22 Jul 2010 18:08:39 +0200 wenzelm updated some headers;
Sat, 17 Oct 2009 14:43:18 +0200 wenzelm eliminated hard tabulators, guessing at each author's individual tab-width;
Mon, 11 Feb 2008 21:32:13 +0100 wenzelm imports Main;
Mon, 11 Feb 2008 15:40:21 +0100 krauss Made theory names in ZF disjoint from HOL theory names to allow loading both developments
Sun, 07 Oct 2007 21:19:31 +0200 wenzelm modernized specifications;
Fri, 17 Jun 2005 16:12:49 +0200 haftmann migrated theory headers to new format
Thu, 28 Aug 2003 01:56:40 +0200 skalberg Extended the notion of letter and digit, such that now one may use greek,
Mon, 30 Jun 2003 18:15:51 +0200 paulson Removal of UNITY/UNITYMisc, moving its theorems elsewhere.
Tue, 27 May 2003 11:39:03 +0200 paulson updating ZF-UNITY with Sidi's new material
Thu, 15 Nov 2001 15:07:16 +0100 ehmety *** empty log message ***
Wed, 08 Aug 2001 14:33:10 +0200 paulson new ZF/UNITY theory
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