| Sun, 02 Nov 2014 16:39:54 +0100 | wenzelm | modernized header; | file | diff | annotate |
| Tue, 06 Mar 2012 17:01:37 +0000 | paulson | More mathematical symbols for ZF examples | file | diff | annotate |
| Sat, 17 Oct 2009 14:43:18 +0200 | wenzelm | eliminated hard tabulators, guessing at each author's individual tab-width; | file | diff | annotate |
| Sun, 07 Oct 2007 21:19:31 +0200 | wenzelm | modernized specifications; | file | diff | annotate |
| Sun, 07 Oct 2007 15:49:25 +0200 | wenzelm | replaced some 'translations' by 'abbreviation'; | file | diff | annotate |
| Fri, 17 Jun 2005 16:12:49 +0200 | haftmann | migrated theory headers to new format | file | diff | annotate |
| Thu, 10 Jul 2003 17:14:41 +0200 | paulson | Changed many Intersection rules from i:I to I~=0 to avoid introducing a new | file | diff | annotate |
| Wed, 09 Jul 2003 11:39:34 +0200 | paulson | converting more theories to Isar scripts, and tidying | file | diff | annotate |
| Wed, 28 May 2003 18:13:41 +0200 | paulson | some new ZF/UNITY material from Sidi Ehmety | file | diff | annotate |