NEWS

changeset 53983 | 2fa984b202ae |

parent 53981 | 1f4d6870b7b2 |

child 54010 | 5ac1495fed4e |

--- a/NEWS Sun Sep 29 12:49:47 2013 +0200 +++ b/NEWS Sun Sep 29 12:56:50 2013 +0200 @@ -148,8 +148,9 @@ 'code_instance'. - 'code_identifier' declares name hints for arbitrary identifiers in generated code, subsuming 'code_modulename'. - See the isar-ref manual for syntax diagrams, and the HOL theories - for examples. + +See the isar-ref manual for syntax diagrams, and the HOL theories for +examples. * HOL/BNF: - Various improvements to BNF-based (co)datatype package, including new @@ -177,9 +178,9 @@ automatically generated, which eliminate equalities of the form "f x = t". -* New command "fun_cases" derives ad-hoc elimination rules for +* New command 'fun_cases' derives ad-hoc elimination rules for function equations as simplified instances of f.elims, analogous to -inductive_cases. See HOL/ex/Fundefs.thy for some examples. +inductive_cases. See ~~/src/HOL/ex/Fundefs.thy for some examples. * Library/Polynomial.thy: - Use lifting for primitive definitions. @@ -200,8 +201,9 @@ - The whole reflection stack has been decomposed into conversions. INCOMPATIBILITY. -* Stronger precedence of syntax for big intersection and union on sets, -in accordance with corresponding lattice operations. INCOMPATIBILITY. +* Stronger precedence of syntax for big intersection and union on +sets, in accordance with corresponding lattice operations. +INCOMPATIBILITY. * Nested case expressions are now translated in a separate check phase rather than during parsing. The data for case combinators is separated @@ -230,7 +232,7 @@ semilattice_set.F correspond to former combinators fold_image and fold1 respectively. These are now gone. You may use those foundational constants as substitutes, but it is - preferable to interpret the above locales accordingly. + preferable to interpret the above locales accordingly. - Dropped class ab_semigroup_idem_mult (special case of lattice, no longer needed in connection with Finite_Set.fold etc.) - Fact renames: @@ -242,9 +244,6 @@ * Discontinued theory src/HOL/Library/Eval_Witness. INCOMPATIBILITY. -* Discontinued obsolete src/HOL/IsaMakefile (considered legacy since -Isabelle2013). Use "isabelle build" to operate on Isabelle sessions. - * Numeric types mapped by default to target language numerals: natural (replaces former code_numeral) and integer (replaces former code_int). Conversions are available as integer_of_natural / natural_of_integer / @@ -275,9 +274,9 @@ conditionally-complete lattices and inner dense linorders which have more than one element. INCOMPATIBILITY. -* Introduced type classes order_top and order_bot. The old classes top -and bot only contain the syntax without assumptions. -INCOMPATIBILITY: Rename bot -> order_bot, top -> order_top +* Introduced type classes order_top and order_bot. The old classes top +and bot only contain the syntax without assumptions. INCOMPATIBILITY: +Rename bot -> order_bot, top -> order_top * Introduce type classes "no_top" and "no_bot" for orderings without top and bottom elements. @@ -287,34 +286,36 @@ * Complex_Main: Unify and move various concepts from HOL-Multivariate_Analysis to HOL-Complex_Main. - - Introduce type class (lin)order_topology and linear_continuum_topology. - Allows to generalize theorems about limits and order. - Instances are reals and extended reals. + - Introduce type class (lin)order_topology and + linear_continuum_topology. Allows to generalize theorems about + limits and order. Instances are reals and extended reals. - continuous and continuos_on from Multivariate_Analysis: - "continuous" is the continuity of a function at a filter. - "isCont" is now an abbrevitation: "isCont x f == continuous (at _) f". - - Generalized continuity lemmas from isCont to continuous on an arbitrary - filter. - - - compact from Multivariate_Analysis. Use Bolzano's lemma - to prove compactness of closed intervals on reals. Continuous functions - attain infimum and supremum on compact sets. The inverse of a continuous - function is continuous, when the function is continuous on a compact set. + "continuous" is the continuity of a function at a filter. "isCont" + is now an abbrevitation: "isCont x f == continuous (at _) f". + + Generalized continuity lemmas from isCont to continuous on an + arbitrary filter. + + - compact from Multivariate_Analysis. Use Bolzano's lemma to prove + compactness of closed intervals on reals. Continuous functions + attain infimum and supremum on compact sets. The inverse of a + continuous function is continuous, when the function is continuous + on a compact set. - connected from Multivariate_Analysis. Use it to prove the intermediate value theorem. Show connectedness of intervals on linear_continuum_topology). - first_countable_topology from Multivariate_Analysis. Is used to - show equivalence of properties on the neighbourhood filter of x and on - all sequences converging to x. - - - FDERIV: Definition of has_derivative moved to Deriv.thy. Moved theorems - from Library/FDERIV.thy to Deriv.thy and base the definition of DERIV on - FDERIV. Add variants of DERIV and FDERIV which are restricted to sets, - i.e. to represent derivatives from left or right. + show equivalence of properties on the neighbourhood filter of x and + on all sequences converging to x. + + - FDERIV: Definition of has_derivative moved to Deriv.thy. Moved + theorems from Library/FDERIV.thy to Deriv.thy and base the + definition of DERIV on FDERIV. Add variants of DERIV and FDERIV + which are restricted to sets, i.e. to represent derivatives from + left or right. - Removed the within-filter. It is replaced by the principal filter: @@ -323,12 +324,12 @@ - Introduce "at x within U" as a single constant, "at x" is now an abbreviation for "at x within UNIV" - - Introduce named theorem collections tendsto_intros, continuous_intros, - continuous_on_intros and FDERIV_intros. Theorems in tendsto_intros (or - FDERIV_intros) are also available as tendsto_eq_intros (or - FDERIV_eq_intros) where the right-hand side is replaced by a congruence - rule. This allows to apply them as intro rules and then proving - equivalence by the simplifier. + - Introduce named theorem collections tendsto_intros, + continuous_intros, continuous_on_intros and FDERIV_intros. Theorems + in tendsto_intros (or FDERIV_intros) are also available as + tendsto_eq_intros (or FDERIV_eq_intros) where the right-hand side + is replaced by a congruence rule. This allows to apply them as + intro rules and then proving equivalence by the simplifier. - Restructured theories in HOL-Complex_Main: @@ -339,8 +340,8 @@ + Renamed RealVector to Real_Vector_Spaces - + Split Lim, SEQ, Series into Topological_Spaces, Real_Vector_Spaces, and - Limits + + Split Lim, SEQ, Series into Topological_Spaces, + Real_Vector_Spaces, and Limits + Moved Ln and Log to Transcendental @@ -373,10 +374,10 @@ longer included by default. INCOMPATIBILITY, use partial_function instead, or import theory Legacy_Mrec as a fallback. -* HOL-Algebra: Discontinued theories src/HOL/Algebra/abstract and -.../poly. Existing theories should be based on -src/HOL/Library/Polynomial instead. The latter provides integration -with HOL's type classes for rings. INCOMPATIBILITY. +* HOL-Algebra: Discontinued theories ~~/src/HOL/Algebra/abstract and +~~/src/HOL/Algebra/poly. Existing theories should be based on +~~/src/HOL/Library/Polynomial instead. The latter provides +integration with HOL's type classes for rings. INCOMPATIBILITY. *** ML ***