| Tue, 11 May 2004 20:11:08 +0200 |
changes made due to new Ring_and_Field theory
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| Sat, 01 May 2004 22:01:57 +0200 |
tuned instance statements;
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| Fri, 09 Jan 2004 10:46:18 +0100 |
Defining the type class "ringpower" and deleting superseded theorems for
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| Tue, 06 Jan 2004 10:40:15 +0100 |
Ring_and_Field now requires axiom add_left_imp_eq for semirings.
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| Sat, 27 Dec 2003 21:02:14 +0100 |
re-organized numeric lemmas
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| Fri, 19 Dec 2003 04:28:45 +0100 |
*** empty log message ***
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| Tue, 25 Nov 2003 10:37:03 +0100 |
More refinements to Ring_and_Field and numerics. Conversion of Divides_lemmas
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| Mon, 24 Nov 2003 15:33:07 +0100 |
conversion of integers to use Ring_and_Field;
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| Fri, 21 Nov 2003 11:15:40 +0100 |
HOL: installation of Ring_and_Field as the basis for Naturals and Reals
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| Fri, 26 Sep 2003 10:34:57 +0200 |
misc tidying
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| Mon, 22 Sep 2003 16:02:51 +0200 |
Improved efficiency of code generated for + and -
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| Thu, 24 Jul 2003 18:23:00 +0200 |
declarations moved from PreList.thy
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| Mon, 30 Sep 2002 15:44:21 +0200 |
modified induct method
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| Thu, 26 Sep 2002 10:51:29 +0200 |
Converted Fun to Isar style.
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| Mon, 05 Aug 2002 14:27:42 +0200 |
- Converted to new theory format
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| Sat, 01 Dec 2001 18:52:32 +0100 |
renamed class "term" to "type" (actually "HOL.type");
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| Wed, 25 Jul 2001 13:13:01 +0200 |
partial restructuring to reduce dependence on Axiom of Choice
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| Tue, 22 May 2001 15:10:06 +0200 |
Inductive definitions are now introduced earlier in the theory hierarchy.
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| Thu, 15 Feb 2001 16:00:36 +0100 |
added nat as instance of new wellorder axclass
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| Fri, 10 Nov 2000 19:04:31 +0100 |
added axclass power (from HOL.thy);
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| Tue, 25 Jul 2000 00:06:46 +0200 |
rearranged setup of arithmetic procedures, avoiding global reference values;
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| Mon, 04 Oct 1999 21:44:28 +0200 |
removed DatatypePackage.setup;
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| Wed, 21 Oct 1998 17:38:47 +0200 |
Changed syntax of rep_datatype.
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| Fri, 18 Sep 1998 14:36:54 +0200 |
updated comments
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| Fri, 24 Jul 1998 13:34:59 +0200 |
Declaration of type 'nat' as a datatype (this allows usage of
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| Fri, 20 Feb 1998 17:56:39 +0100 |
Congruence rules use == in premises now.
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| Mon, 09 Feb 1998 18:09:35 +0100 |
Replaced ALLNEWSUBGOALS by THEN_ALL_NEW
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| Mon, 03 Nov 1997 21:12:21 +0100 |
nat datatype_info moved to Nat.thy;
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| Fri, 30 May 1997 15:19:58 +0200 |
Overloading of "^" requires new type class "power", with types "nat" and
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| Wed, 12 Feb 1997 18:53:59 +0100 |
New class "order" and accompanying changes.
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| Thu, 23 Jan 1997 12:55:31 +0100 |
removed \<mu> syntax;
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| Fri, 13 Dec 1996 18:40:50 +0100 |
adaptions for symbol font
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| Wed, 27 Nov 1996 16:45:57 +0100 |
moved "1", "2" to syntax section;
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| Tue, 25 Jun 1996 13:11:29 +0200 |
Changed argument order of nat_rec.
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| Tue, 23 Apr 1996 17:01:51 +0200 |
*** empty log message ***
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| Tue, 23 Apr 1996 16:58:21 +0200 |
repaired critical proofs depending on the order inside non-confluent SimpSets,
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| Wed, 17 Apr 1996 17:59:58 +0200 |
*** empty log message ***
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| Thu, 28 Mar 1996 12:25:55 +0100 |
Translations for 1 and 2 moved from Hoare/Examples.thy to Nat.thy
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| Tue, 05 Mar 1996 15:55:15 +0100 |
Converted TABs to spaces
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| Mon, 04 Mar 1996 14:37:33 +0100 |
Added a constant UNIV == {x.True}
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| Mon, 05 Feb 1996 21:27:16 +0100 |
expanded tabs; renamed subtype to typedef;
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| Wed, 29 Nov 1995 16:44:59 +0100 |
removed quotes from types in consts and syntax sections
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| Wed, 21 Jun 1995 15:47:10 +0200 |
removed \...\ inside strings
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| Fri, 24 Mar 1995 12:30:35 +0100 |
changed syntax of tuples from <..., ...> to (..., ...)
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| Fri, 03 Mar 1995 12:02:25 +0100 |
new version of HOL with curried function application
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