src/ZF/Arith.thy
Tue, 09 Jul 2002 23:05:26 +0200 paulson better document preparation
Tue, 28 May 2002 11:07:36 +0200 paulson deleted some useless ML bindings
Wed, 22 May 2002 18:55:47 +0200 paulson new version of nat_case, nat_case3
Sat, 18 May 2002 20:08:17 +0200 paulson converted Arith, Univ, func to Isar format!
Fri, 09 Nov 2001 00:09:47 +0100 wenzelm eliminated old "symbols" syntax, use "xsymbols" instead;
Fri, 15 Sep 2000 00:18:36 +0200 wenzelm tuned symbols;
Thu, 24 Aug 2000 11:05:20 +0200 paulson added some xsymbols, and tidied
Fri, 18 Aug 2000 18:46:02 +0200 paulson X-symbols for ordinal, cardinal, integer arithmetic
Tue, 01 Aug 2000 18:26:34 +0200 paulson used natify with div and mod; also put in the divide-by-zero trick
Tue, 01 Aug 2000 15:28:21 +0200 paulson natify, a coercion to reduce the number of type constraints in arithmetic
Thu, 07 Jan 1999 18:30:55 +0100 paulson ZF: the natural numbers as a datatype
Fri, 10 Oct 1997 18:23:31 +0200 wenzelm fixed dots;
Fri, 03 Jan 1997 15:01:55 +0100 paulson Implicit simpsets and clasets for FOL and ZF
Tue, 06 Feb 1996 12:27:17 +0100 clasohm expanded tabs
Sat, 09 Dec 1995 13:36:11 +0100 clasohm removed quotes from consts and syntax sections
Tue, 29 Nov 1994 00:31:31 +0100 lcp replaced "rules" by "defs"
Tue, 16 Nov 1993 14:24:21 +0100 clasohm made pseudo theories for all ML files;
Tue, 05 Oct 1993 15:21:29 +0100 lcp ordinal: DEFINITION of < and le to replace : and <= on ordinals! Many
Fri, 17 Sep 1993 16:16:38 +0200 lcp Installation of new simplifier for ZF. Deleted all congruence rules not
Thu, 16 Sep 1993 12:20:38 +0200 clasohm Initial revision
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