| Sun, 09 Apr 2017 20:44:35 +0200 |
wenzelm |
clarified main ZF.thy / ZFC.thy, and avoid name clash with global HOL/Main.thy;
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| Wed, 30 Dec 2015 17:45:18 +0100 |
wenzelm |
clarified syntax;
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| Mon, 23 Mar 2015 21:05:17 +0100 |
wenzelm |
prefer local fixes;
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| Tue, 06 Mar 2012 16:46:27 +0000 |
paulson |
mathematical symbols for Isabelle/ZF example theories
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| Sat, 13 Mar 2010 16:44:12 +0100 |
wenzelm |
removed old CVS Ids;
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| Sun, 07 Oct 2007 21:19:31 +0200 |
wenzelm |
modernized specifications;
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| Fri, 17 Jun 2005 16:12:49 +0200 |
haftmann |
migrated theory headers to new format
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| Thu, 28 Aug 2003 01:56:40 +0200 |
skalberg |
Extended the notion of letter and digit, such that now one may use greek,
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| Wed, 10 Jul 2002 16:54:07 +0200 |
paulson |
Fixed quantified variable name preservation for ball and bex (bounded quants)
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| Tue, 25 Dec 2001 10:02:01 +0100 |
paulson |
conversion to Isar
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| Thu, 31 May 2001 18:28:23 +0200 |
paulson |
examples files start from Main instead of various ZF theories
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| Mon, 21 May 2001 14:46:30 +0200 |
paulson |
X-symbols for ZF
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| Thu, 07 Jan 1999 10:56:05 +0100 |
paulson |
if-then-else syntax for ZF
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| Fri, 10 Oct 1997 18:23:31 +0200 |
wenzelm |
fixed dots;
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| Tue, 06 Feb 1996 12:27:17 +0100 |
clasohm |
expanded tabs
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| Sat, 09 Dec 1995 13:36:11 +0100 |
clasohm |
removed quotes from consts and syntax sections
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| Tue, 07 Mar 1995 13:32:22 +0100 |
lcp |
Replaced rules by defs
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| Mon, 27 Feb 1995 18:12:21 +0100 |
lcp |
New example by Jacob Frost, tidied by lcp
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