2011-11-30 wenzelm 2011-11-30 prefer typedef without extra definition and alternative name; tuned proofs;
2011-11-20 wenzelm 2011-11-20 eliminated obsolete "standard";
2011-11-17 huffman 2011-11-17 simplify some proofs
2011-11-17 huffman 2011-11-17 Int.thy: remove duplicate lemmas double_less_0_iff and odd_less_0, use {even,odd}_less_0_iff instead
2011-10-20 huffman 2011-10-20 removed mult_Bit1 from int_arith_rules (cf. 882403378a41 and 3078fd2eec7b, where mult_num1 erroneously replaced mult_1)
2011-10-19 wenzelm 2011-10-19 inlined @{thms} (ML compile-time) allows to get rid of legacy zadd_ac as well (cf. 49e305100097);
2011-10-19 bulwahn 2011-10-19 removing old code generator setup for integers
2011-10-09 huffman 2011-10-09 Int.thy: discontinued some legacy theorems
2011-09-04 huffman 2011-09-04 introduce abbreviation 'int' earlier in Int.thy
2011-09-04 huffman 2011-09-04 move lemmas nat_le_iff and nat_mono into Int.thy
2011-09-03 huffman 2011-09-03 remove duplicate lemma nat_zero in favor of nat_0
2011-06-29 wenzelm 2011-06-29 modernized some simproc setup;
2011-06-23 huffman 2011-06-23 added number_semiring class, plus a few new lemmas; no changes to the simpset yet
2011-05-04 wenzelm 2011-05-04 proper case_names for int_cases, int_of_nat_induct; tuned some proofs, eliminating (cases, auto) anti-pattern;
2011-04-19 wenzelm 2011-04-19 eliminated Codegen.mode in favour of explicit argument;
2011-03-13 wenzelm 2011-03-13 tuned headers;
2010-11-30 haftmann 2010-11-30 adapted proofs to slightly changed definitions of congruent(2)
2010-10-01 haftmann 2010-10-01 constant `contents` renamed to `the_elem`
2010-08-27 haftmann 2010-08-27 renamed class/constant eq to equal; tuned some instantiations
2010-07-19 haftmann 2010-07-19 diff_minus subsumes diff_def
2010-07-12 haftmann 2010-07-12 dropped superfluous [code del]s
2010-05-11 haftmann 2010-05-11 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
2010-05-10 haftmann 2010-05-10 moved int induction lemma to theory Int as int_bidirectional_induct
2010-05-07 haftmann 2010-05-07 moved lemma zdvd_period to theory Int
2010-05-06 haftmann 2010-05-06 moved some lemmas from Groebner_Basis here
2010-05-06 haftmann 2010-05-06 moved generic lemmas to appropriate places
2010-04-27 haftmann 2010-04-27 got rid of [simplified]
2010-04-26 haftmann 2010-04-26 use new classes (linordered_)field_inverse_zero
2010-04-26 haftmann 2010-04-26 class division_ring_inverse_zero
2010-04-16 wenzelm 2010-04-16 replaced generic 'hide' command by more conventional 'hide_class', 'hide_type', 'hide_const', 'hide_fact' -- frees some popular keywords;
2010-04-06 boehmes 2010-04-06 added missing mult_1_left to linarith simp rules
2010-03-18 blanchet 2010-03-18 merged
2010-03-18 blanchet 2010-03-18 now use "Named_Thms" for "noatp", and renamed "noatp" to "no_atp"
2010-03-17 boehmes 2010-03-17 tuned proofs (to avoid linarith error message caused by bootstrapping of HOL)
2010-03-07 huffman 2010-03-07 add more simp rules for Ints
2010-02-18 huffman 2010-02-18 get rid of many duplicate simp rule warnings
2010-02-13 wenzelm 2010-02-13 modernized structures;
2010-02-08 haftmann 2010-02-08 renamed OrderedGroup to Groups; split theory Ring_and_Field into Rings Fields
2010-02-08 haftmann 2010-02-08 separate library theory for type classes combining lattices with various algebraic structures
2010-02-05 haftmann 2010-02-05 more consistent naming of type classes involving orderings (and lattices) -- c.f. NEWS
2009-12-10 paulson 2009-12-10 streamlined proofs
2009-11-13 nipkow 2009-11-13 renamed lemmas "anti_sym" -> "antisym"
2009-11-08 wenzelm 2009-11-08 modernized structure Reorient_Proc; explicit merge of constituent functions, avoids exponential blowup when traversing the import graph; adapted Theory_Data; tuned;
2009-10-30 haftmann 2009-10-30 tuned code setup
2009-10-29 haftmann 2009-10-29 moved some dvd [int] facts to Int
2009-10-29 haftmann 2009-10-29 moved some dvd [int] facts to Int
2009-10-28 haftmann 2009-10-28 moved theory Divides after theory Nat_Numeral; tuned some proof texts
2009-10-21 blanchet 2009-10-21 renamed "nitpick_const_xxx" attributes to "nitpick_xxx" and "nitpick_ind_intros" to "nitpick_intros"
2009-08-28 nipkow 2009-08-28 tuned proofs
2009-07-29 haftmann 2009-07-29 added numeral code postprocessor rules on type int
2009-07-14 haftmann 2009-07-14 prefer code_inline over code_unfold; use code_unfold_post where appropriate
2009-07-14 haftmann 2009-07-14 code attributes use common underscore convention
2009-05-11 haftmann 2009-05-11 tuned interface of Lin_Arith
2009-05-08 haftmann 2009-05-08 modules numeral_simprocs, nat_numeral_simprocs; proper structures for numeral simprocs
2009-05-08 haftmann 2009-05-08 moved int_factor_simprocs.ML to theory Int
2009-04-29 huffman 2009-04-29 reimplement reorientation simproc using theory data
2009-04-29 haftmann 2009-04-29 farewell to class recpower
2009-04-28 haftmann 2009-04-28 reorganization of power lemmas
2009-04-28 haftmann 2009-04-28 local syntax for Ints; ephermal re-globalization
2009-04-27 haftmann 2009-04-27 cleaned up theory power further