src/HOL/Power.thy
2014-09-24 haftmann 2014-09-24 added lemmas
2014-09-21 haftmann 2014-09-21 explicit separation of signed and unsigned numerals using existing lexical categories num and xnum
2014-09-03 blanchet 2014-09-03 moved old datatype material around
2014-07-05 haftmann 2014-07-05 prefer ac_simps collections over separate name bindings for add and mult
2014-07-04 haftmann 2014-07-04 reduced name variants for assoc and commute on plus and mult
2014-06-28 haftmann 2014-06-28 fact consolidation
2014-04-12 nipkow 2014-04-12 made mult_pos_pos a simp rule
2014-04-11 nipkow 2014-04-11 made mult_nonneg_nonneg a simp rule
2014-04-09 hoelzl 2014-04-09 add divide_simps
2014-04-09 hoelzl 2014-04-09 field_simps: better support for negation and division, and power
2014-02-28 traytel 2014-02-28 load Metis a little later
2014-02-24 paulson 2014-02-24 A few lemmas about summations, etc.
2014-01-21 traytel 2014-01-21 removed theory dependency of BNF_LFP on Datatype
2013-11-19 haftmann 2013-11-19 eliminiated neg_numeral in favour of - (numeral _)
2013-11-04 haftmann 2013-11-04 streamlined setup of linear arithmetic
2013-10-18 blanchet 2013-10-18 killed most "no_atp", to make Sledgehammer more complete
2013-08-18 wenzelm 2013-08-18 more symbols;
2013-08-13 wenzelm 2013-08-13 standardized symbols via "isabelle update_sub_sup", excluding src/Pure and src/Tools/WWW_Find;
2013-06-23 haftmann 2013-06-23 migration from code_(const|type|class|instance) to code_printing and from code_module to code_identifier
2013-02-24 haftmann 2013-02-24 turned example into library for comparing growth of functions
2012-10-11 haftmann 2012-10-11 msetprod based directly on Multiset.fold; pretty syntax for msetprod_image
2012-04-01 huffman 2012-04-01 removed Nat_Numeral.thy, moving all theorems elsewhere
2012-03-31 huffman 2012-03-31 add lemma power_le_one
2012-03-30 huffman 2012-03-30 replace lemmas eval_nat_numeral with a simpler reformulation
2012-03-30 huffman 2012-03-30 add constant pred_numeral k = numeral k - (1::nat); replace several simp rules from Nat_Numeral.thy with new ones that use pred_numeral
2012-03-29 huffman 2012-03-29 move many lemmas from Nat_Numeral.thy to Power.thy or Num.thy
2012-03-29 huffman 2012-03-29 bootstrap Num.thy before Power.thy; move lemmas about powers into Power.thy
2011-10-21 bulwahn 2011-10-21 replacing code_inline by code_unfold, removing obsolete code_unfold, code_inline del now that the ancient code generator is removed
2011-01-14 wenzelm 2011-01-14 eliminated global prems; tuned proofs;
2010-09-16 wenzelm 2010-09-16 Isar "default" step needs to fail for solved problems, for clear distinction of '.' and '..' for example -- amending lapse introduced in 9de4d64eee3b (April 2004);
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
2010-03-18 blanchet 2010-03-18 now use "Named_Thms" for "noatp", and renamed "noatp" to "no_atp"
2010-02-18 huffman 2010-02-18 get rid of many duplicate simp rule warnings
2010-02-05 haftmann 2010-02-05 more consistent naming of type classes involving orderings (and lattices) -- c.f. NEWS
2009-10-30 haftmann 2009-10-30 tuned code setup
2009-10-28 haftmann 2009-10-28 moved lemmas for dvd on nat to theories Nat and Power
2009-07-14 haftmann 2009-07-14 code attributes use common underscore convention
2009-05-14 haftmann 2009-05-14 monomorphic code generation for power operations
2009-04-29 haftmann 2009-04-29 farewell to class recpower
2009-04-27 haftmann 2009-04-27 cleaned up theory power further
2009-04-26 haftmann 2009-04-26 fixed document generation
2009-04-26 haftmann 2009-04-26 cleaned up Power theory
2009-04-22 haftmann 2009-04-22 power operation defined generic
2009-03-26 paulson 2009-03-26 New theorems mostly concerning infinite series.
2009-03-13 huffman 2009-03-13 remove legacy ML bindings
2009-03-06 nipkow 2009-03-06 added lemmas
2009-03-04 huffman 2009-03-04 declare power_Suc [simp]; remove redundant type-specific versions of power_Suc
2009-03-04 blanchet 2009-03-04 Merge.
2009-03-04 blanchet 2009-03-04 Merge.
2009-02-23 huffman 2009-02-23 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
2009-02-22 nipkow 2009-02-22 added lemmas
2009-02-18 huffman 2009-02-18 generalize le_imp_power_dvd and power_le_dvd; move from Divides to Power
2009-01-21 haftmann 2009-01-21 no base sort in class import
2008-09-04 huffman 2008-09-04 add lemma power_Suc2; generalize power_minus from class comm_ring_1 to ring_1
2008-01-09 nipkow 2008-01-09 added simp attributes
2008-01-05 haftmann 2008-01-05 more instantiation
2007-10-30 haftmann 2007-10-30 simplified proof
2007-10-23 nipkow 2007-10-23 went back to >0
2007-10-21 nipkow 2007-10-21 Eliminated most of the neq0_conv occurrences. As a result, many theorems had to be rephrased with ~= 0 instead of > 0.