src/HOL/Int.thy
Sat, 03 Sep 2011 16:00:09 -0700 huffman remove duplicate lemma nat_zero in favor of nat_0
Wed, 29 Jun 2011 18:12:34 +0200 wenzelm modernized some simproc setup;
Thu, 23 Jun 2011 09:04:20 -0700 huffman added number_semiring class, plus a few new lemmas;
Wed, 04 May 2011 15:37:39 +0200 wenzelm proper case_names for int_cases, int_of_nat_induct;
Tue, 19 Apr 2011 23:57:28 +0200 wenzelm eliminated Codegen.mode in favour of explicit argument;
Sun, 13 Mar 2011 22:55:50 +0100 wenzelm tuned headers;
Tue, 30 Nov 2010 15:58:09 +0100 haftmann adapted proofs to slightly changed definitions of congruent(2)
Fri, 01 Oct 2010 16:05:25 +0200 haftmann constant `contents` renamed to `the_elem`
Fri, 27 Aug 2010 19:34:23 +0200 haftmann renamed class/constant eq to equal; tuned some instantiations
Mon, 19 Jul 2010 16:09:44 +0200 haftmann diff_minus subsumes diff_def
Mon, 12 Jul 2010 10:48:37 +0200 haftmann dropped superfluous [code del]s
Tue, 11 May 2010 08:36:02 +0200 haftmann renamed former Int.int_induct to Int.int_of_nat_induct, former Presburger.int_induct to Int.int_induct: is more conservative and more natural than the intermediate solution
Mon, 10 May 2010 14:55:04 +0200 haftmann moved int induction lemma to theory Int as int_bidirectional_induct
Fri, 07 May 2010 09:51:55 +0200 haftmann moved lemma zdvd_period to theory Int
Thu, 06 May 2010 23:11:56 +0200 haftmann moved some lemmas from Groebner_Basis here
Thu, 06 May 2010 18:16:07 +0200 haftmann moved generic lemmas to appropriate places
Tue, 27 Apr 2010 12:20:09 +0200 haftmann got rid of [simplified]
Mon, 26 Apr 2010 15:37:50 +0200 haftmann use new classes (linordered_)field_inverse_zero
Mon, 26 Apr 2010 11:34:17 +0200 haftmann class division_ring_inverse_zero
Fri, 16 Apr 2010 21:28:09 +0200 wenzelm replaced generic 'hide' command by more conventional 'hide_class', 'hide_type', 'hide_const', 'hide_fact' -- frees some popular keywords;
Tue, 06 Apr 2010 10:46:28 +0200 boehmes added missing mult_1_left to linarith simp rules
Thu, 18 Mar 2010 13:14:54 +0100 blanchet merged
Thu, 18 Mar 2010 12:58:52 +0100 blanchet now use "Named_Thms" for "noatp", and renamed "noatp" to "no_atp"
Wed, 17 Mar 2010 19:55:07 +0100 boehmes tuned proofs (to avoid linarith error message caused by bootstrapping of HOL)
Sun, 07 Mar 2010 08:40:38 -0800 huffman add more simp rules for Ints
Thu, 18 Feb 2010 14:21:44 -0800 huffman get rid of many duplicate simp rule warnings
Sat, 13 Feb 2010 23:24:57 +0100 wenzelm modernized structures;
Mon, 08 Feb 2010 17:12:38 +0100 haftmann renamed OrderedGroup to Groups; split theory Ring_and_Field into Rings Fields
Mon, 08 Feb 2010 14:06:41 +0100 haftmann separate library theory for type classes combining lattices with various algebraic structures
Fri, 05 Feb 2010 14:33:50 +0100 haftmann more consistent naming of type classes involving orderings (and lattices) -- c.f. NEWS
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