src/HOL/Groebner_Basis.thy
Fri, 07 May 2010 16:12:25 +0200 haftmann delete Groebner_Basis directory -- only one file left
Fri, 07 May 2010 15:05:52 +0200 haftmann split of semiring normalization from Groebner theory; moved field_comp_conv to Numeral_Simproces
Thu, 06 May 2010 23:11:57 +0200 haftmann proper sublocales; no free-floating ML sections
Thu, 06 May 2010 18:16:07 +0200 haftmann moved generic lemmas to appropriate places
Thu, 06 May 2010 17:59:19 +0200 haftmann dropped duplicate comp_arith
Thu, 06 May 2010 17:55:11 +0200 haftmann avoid references to groebner bases in names which have no references to groebner bases
Thu, 06 May 2010 16:40:02 +0200 haftmann moved presimplification rules for algebraic methods into named thms functor
Thu, 06 May 2010 16:32:20 +0200 haftmann dropped auxiliary method sring_norm; integrated normalizer.ML and normalizer_data.ML
Wed, 05 May 2010 16:53:21 +0200 haftmann moved nat_arith ot Nat_Numeral: clarified normalizer setup
Wed, 05 May 2010 16:46:19 +0200 haftmann dropped unused file
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, 23 Apr 2010 15:17:59 +0200 haftmann dequalified fact name
Sun, 28 Feb 2010 23:51:31 +0100 wenzelm more antiquotations;
Thu, 18 Feb 2010 14:21:44 -0800 huffman get rid of many duplicate simp rule warnings
Wed, 10 Feb 2010 14:12:04 +0100 haftmann moved less_eq, less to Orderings.thy; moved abs, sgn to Groups.thy
Wed, 10 Feb 2010 08:49:26 +0100 haftmann moved constants inverse and divide to Ring.thy
Mon, 08 Feb 2010 17:12:38 +0100 haftmann renamed OrderedGroup to Groups; split theory Ring_and_Field into Rings Fields
Thu, 28 Jan 2010 11:48:49 +0100 haftmann new theory Algebras.thy for generic algebraic structures
Fri, 30 Oct 2009 14:00:43 +0100 haftmann combined former theories Divides and IntDiv to one theory Divides
Wed, 28 Oct 2009 19:09:47 +0100 haftmann moved theory Divides after theory Nat_Numeral; tuned some proof texts
Wed, 24 Jun 2009 09:41:14 +0200 nipkow corrected and unified thm names
Fri, 08 May 2009 09:48:07 +0200 haftmann modules numeral_simprocs, nat_numeral_simprocs; proper structures for numeral simprocs
Tue, 28 Apr 2009 15:50:30 +0200 haftmann stripped class recpower further
Wed, 15 Apr 2009 15:30:39 +0200 haftmann theory NatBin now named Nat_Numeral
Sun, 05 Apr 2009 19:21:51 +0100 chaieb More precise treatement of rational constants by the normalizer for fields
Sun, 05 Apr 2009 05:07:10 +0100 chaieb now deals with devision in fields
Thu, 26 Mar 2009 20:08:55 +0100 wenzelm interpretation/interpret: prefixes are mandatory by default;
Sun, 22 Mar 2009 20:46:11 +0100 haftmann dropped theory Arith_Tools
Mon, 16 Mar 2009 18:24:30 +0100 wenzelm simplified method setup;
Fri, 13 Mar 2009 19:58:26 +0100 wenzelm unified type Proof.method and pervasive METHOD combinators;
Wed, 04 Mar 2009 11:05:29 +0100 blanchet Merge.
Wed, 04 Mar 2009 10:45:52 +0100 blanchet Merge.
Mon, 23 Feb 2009 16:25:52 -0800 huffman make proofs work whether or not One_nat_def is a simp rule; replace 1 with Suc 0 in the rhs of some simp rules
Sat, 21 Feb 2009 20:52:30 +0100 nipkow Removed subsumed lemmas
Sat, 21 Feb 2009 09:58:26 +0100 nipkow removed redundant thms
Fri, 20 Feb 2009 23:46:03 +0100 nipkow Removed redundant lemmas
Fri, 20 Feb 2009 20:50:49 +0100 nipkow removed subsumed lemmas
Wed, 28 Jan 2009 16:29:16 +0100 nipkow Replaced group_ and ring_simps by algebra_simps;
Sun, 14 Dec 2008 18:45:51 +0100 ballarin Ported HOL and HOL-Library to new locales.
Fri, 12 Dec 2008 20:10:22 +0100 ballarin Merged.
Thu, 11 Dec 2008 18:30:26 +0100 ballarin Conversion of HOL-Main and ZF to new locales.
Tue, 09 Dec 2008 20:36:20 -0800 huffman separate neg_simps from rel_simps
Thu, 04 Dec 2008 16:05:45 -0800 huffman remove duplicated lemmas
Thu, 04 Dec 2008 13:30:09 -0800 huffman include iszero_simps in lemmas comp_arith
Thu, 20 Nov 2008 00:03:47 +0100 wenzelm Pure syntax: more coherent treatment of aprop, permanent TERM and &&&;
Mon, 17 Nov 2008 17:00:55 +0100 haftmann tuned unfold_locales invocation
Tue, 28 Oct 2008 11:03:07 +0100 ballarin Removed 'includes meta_term_syntax' and 'includes meta_conjunction_syntax'.
Mon, 29 Sep 2008 12:31:59 +0200 haftmann clarified dependencies between arith tools
Mon, 21 Jul 2008 13:36:39 +0200 chaieb Relevant rules added to algebra's context
Fri, 28 Mar 2008 19:43:54 +0100 wenzelm avoid rebinding of existing facts;
Tue, 18 Mar 2008 20:33:28 +0100 wenzelm avoid rebinding of existing facts;
Wed, 05 Mar 2008 21:24:03 +0100 wenzelm explicit referencing of background facts;
Sun, 17 Feb 2008 06:49:53 +0100 huffman New simpler representation of numerals, using Bit0 and Bit1 instead of BIT, B0, and B1
Wed, 31 Oct 2007 12:19:35 +0100 chaieb (1) added axiom to ringb and theorems to enable algebra to prove the ideal membership problem; (2) Method algebra now calls algebra_tac which first tries to solve a universal formula, then in case of failure trie to solve the ideal membership problem (see HOL/Tools/Groebner_Basis/groebner.ML)
Thu, 05 Jul 2007 00:06:10 +0200 wenzelm common normalizer_funs, avoid cterm_of;
Sat, 23 Jun 2007 19:33:22 +0200 nipkow tuned and renamed group_eq_simps and ring_eq_simps
Thu, 21 Jun 2007 15:42:12 +0200 wenzelm tuned comments;
Thu, 14 Jun 2007 18:33:31 +0200 wenzelm tuned proofs: avoid implicit prems;
Tue, 12 Jun 2007 10:15:32 +0200 chaieb algebra_tac moved to file Tools/Groebner_Basis/groebner.ML; Method now takes theorems to be added or deleted from a simpset for simplificatio *before* the core method starts
Mon, 11 Jun 2007 18:28:16 +0200 chaieb Conversion for computation on constants now depends on the context
Mon, 11 Jun 2007 16:23:17 +0200 chaieb Added instantiation of algebra method to fields
Mon, 11 Jun 2007 11:05:57 +0200 chaieb explicitely depends on file groebner.ML
Tue, 05 Jun 2007 22:46:53 +0200 wenzelm tuned document;
Tue, 05 Jun 2007 18:36:07 +0200 wenzelm renamed locale ring/semiring to gb_ring/gb_semiring to avoid clash with Ring_and_Field versions;
Tue, 05 Jun 2007 16:26:04 +0200 wenzelm Semiring normalization and Groebner Bases.
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