src/HOL/Fun.thy
Thu, 03 Jul 2025 13:53:14 +0200 nipkow removed duplicate lemma; added the notion of the kernel of a function
Thu, 03 Apr 2025 21:08:36 +0100 paulson Lemmas from Manuel Eberl's Q_Analogues
Mon, 31 Mar 2025 22:46:11 +0100 paulson Some generalisations (mostly at the level of type classes) by Alexander Pach
Tue, 25 Feb 2025 15:54:41 +0100 desharna added lemmas monotone_on_sup_fun, monotone_on_inf_fun, antimonotone_on_sup_fun, antimonotone_on_inf_fun (thanks to Alexander Pach)
Fri, 21 Feb 2025 18:46:59 +0100 nipkow weakened type class (thanks to Alexander Pach)
Sun, 15 Dec 2024 14:59:57 +0100 wenzelm more syntax bundles, e.g. to explore terms without notation;
Sun, 08 Dec 2024 15:12:20 +0100 wenzelm tuned: prefer explicit names of inferred types;
Fri, 18 Oct 2024 14:20:09 +0200 wenzelm more inner-syntax markup;
Tue, 08 Oct 2024 12:10:35 +0200 wenzelm more inner-syntax markup;
Tue, 01 Oct 2024 20:39:16 +0200 wenzelm drop somewhat pointless 'syntax_consts' declarations;
Mon, 30 Sep 2024 13:00:42 +0200 wenzelm less markup: prefer "notatation" over "entity";
Mon, 23 Sep 2024 21:09:23 +0200 wenzelm more inner syntax markup: HOL;
Mon, 23 Sep 2024 13:32:38 +0200 wenzelm standardize mixfix annotations via "isabelle update -u mixfix_cartouches -l Pure HOL" --- to simplify systematic editing;
Sun, 25 Aug 2024 15:02:19 +0200 wenzelm more markup for syntax consts;
Wed, 07 Aug 2024 16:28:32 +0200 wenzelm tuned: more antiquotations;
Tue, 13 Feb 2024 17:18:50 +0000 paulson A few lemmas brought in from AFP entries
Tue, 06 Feb 2024 15:29:10 +0000 paulson Correct the definition of a convex function, and updated the proofs
Thu, 06 Jul 2023 16:59:12 +0100 paulson The sym_diff operator (symmetric difference)
Tue, 23 May 2023 21:43:36 +0200 wenzelm more uniform simproc_setup: avoid vacuous abstraction over morphism, which sometimes captures context values in its functional closure;
Tue, 02 May 2023 12:51:05 +0100 paulson A few new theorems
Mon, 30 Jan 2023 15:24:17 +0000 paulson Moved in a large number of highly useful library lemmas, mostly due to Manuel Eberl
Tue, 20 Dec 2022 17:59:44 +0000 paulson First round of moving material from the number theory development
Thu, 13 Oct 2022 14:27:15 +0200 desharna renamed lemma inj_on_strict_subset to image_strict_mono for symmetry with image_mono and to distinguish from inj_on_subset
Wed, 12 Oct 2022 08:21:07 +0200 nipkow one more lemma
Tue, 11 Oct 2022 14:22:11 +0200 nipkow added and reorganized lemmas (some suggested by Jeremy Sylvestre)
Tue, 11 Oct 2022 12:13:47 +0200 nipkow removed redundant lemma
Tue, 11 Oct 2022 10:45:42 +0200 nipkow moved theorem from Fun to Set
Sat, 08 Oct 2022 18:35:53 +0200 nipkow generalized type classes as suggested by Jeremy Sylvestre
Fri, 02 Sep 2022 13:41:55 +0200 desharna merged
Sat, 25 Jun 2022 13:34:41 +0200 desharna moved antimono to Fun and redefined it as an abbreviation
Sat, 25 Jun 2022 13:21:27 +0200 desharna moved mono and strict_mono to Fun and redefined them as abbreviations
Fri, 22 Jul 2022 14:39:56 +0200 Fabian Huch tuned (some HOL lints, by Yecine Megdiche);
Mon, 27 Jun 2022 15:54:18 +0200 traytel strict bounds for BNFs (by Jan van Brügge)
Fri, 24 Jun 2022 10:49:40 +0200 desharna added lemma monotone_on_o
Fri, 24 Jun 2022 15:05:04 +0200 desharna redefined mono_on and strict_mono_on as an abbreviation of monotone_on
Thu, 23 Jun 2022 19:29:22 +0200 desharna changed argument order of mono_on and strict_mono_on to uniformize with monotone_on and other predicates
Tue, 21 Jun 2022 13:40:35 +0200 desharna added lemmas monotone_on_empty[simp] and monotone_on_subset
Tue, 21 Jun 2022 13:39:06 +0200 desharna added predicate monotone_on and redefined monotone to be an abbreviation.
Thu, 05 Aug 2021 07:12:49 +0000 haftmann clarified abstract and concrete boolean algebras
Mon, 02 Aug 2021 10:01:06 +0000 haftmann moved theory Bit_Operations into Main corpus
Wed, 05 May 2021 16:09:02 +0000 haftmann tuned theory structure
Fri, 23 Apr 2021 09:50:14 +0000 haftmann collecting more lemmas concerning multisets
Mon, 22 Mar 2021 10:49:51 +0000 haftmann more lemmas
Sun, 28 Feb 2021 20:13:07 +0000 haftmann lemma diffusion
Sun, 28 Feb 2021 20:13:07 +0000 haftmann dissolve theory with duplicated name from afp
Sun, 09 Aug 2020 13:18:40 +0100 paulson elimination of some needless assumptions
Sat, 23 May 2020 21:24:33 +0100 paulson a few new lemmas about functions
Mon, 11 May 2020 11:15:41 +0100 paulson the Uniq quantifier
Sun, 29 Mar 2020 15:44:54 +0100 paulson more tidying up of old apply-proofs
Wed, 26 Feb 2020 12:21:48 +0000 paulson Moved a number of general-purpose lemmas into HOL
Mon, 24 Feb 2020 12:14:13 +0000 paulson a few new lemmas
Mon, 27 Jan 2020 14:32:43 +0000 paulson A few lemmas connected with orderings
Thu, 14 Mar 2019 16:55:06 +0100 wenzelm more specific keyword kinds;
Thu, 31 Jan 2019 13:08:59 +0000 haftmann proper congruence rule for image operator
Thu, 24 Jan 2019 14:44:52 +0000 paulson the theory of Equipollence, and moving Fpow from Cardinals into Main
Mon, 21 Jan 2019 14:44:23 +0000 paulson new material about summations and powers, along with some tweaks
Mon, 14 Jan 2019 18:35:03 +0000 haftmann tuned proofs
Sun, 06 Jan 2019 15:04:34 +0100 wenzelm isabelle update -u path_cartouches;
Fri, 04 Jan 2019 23:22:53 +0100 wenzelm isabelle update -u control_cartouches;
Sun, 23 Dec 2018 20:51:23 +0000 haftmann more rules
Wed, 10 Jan 2018 15:25:09 +0100 nipkow ran isabelle update_op on all sources
Tue, 19 Dec 2017 13:58:12 +0100 wenzelm isabelle update_cartouches -c -t;
Fri, 10 Mar 2017 13:47:35 +0100 haftmann restored surj as output abbreviation, amending 6af79184bef3
Sun, 29 Jan 2017 17:27:02 +0100 wenzelm added inj_def (redundant, analogous to surj_def, bij_def);
Sun, 29 Jan 2017 13:58:03 +0100 wenzelm tuned proofs;
Tue, 02 Aug 2016 22:36:53 +0200 wenzelm tuned proof;
Tue, 02 Aug 2016 21:05:34 +0200 wenzelm misc tuning and modernization;
Mon, 01 Aug 2016 22:11:29 +0200 wenzelm misc tuning and modernization;
Fri, 29 Jul 2016 09:49:23 +0200 Andreas Lochbihler add lemmas contributed by Peter Gammie
Fri, 08 Jul 2016 23:43:11 +0200 haftmann avoid to hide equality behind (output) abbreviation
Tue, 05 Jul 2016 23:39:49 +0200 wenzelm misc tuning and modernization;
Sat, 02 Jul 2016 08:41:05 +0200 haftmann more theorems
Mon, 20 Jun 2016 17:51:47 +0200 wenzelm prefer HOL definitions;
Mon, 20 Jun 2016 17:25:08 +0200 wenzelm tuned proof;
Mon, 20 Jun 2016 17:03:50 +0200 wenzelm misc tuning and modernization;
Mon, 09 May 2016 16:02:23 +0100 paulson renamings and refinements
Mon, 04 Apr 2016 16:52:56 +0100 paulson Mostly renaming (from HOL Light to Isabelle conventions), with a couple of new results
Mon, 14 Mar 2016 14:19:06 +0000 paulson Refactoring (moving theorems into better locations), plus a bit of new material
Tue, 23 Feb 2016 16:25:08 +0100 nipkow more canonical names
Mon, 28 Dec 2015 21:47:32 +0100 wenzelm former "xsymbols" syntax is used by default, and ASCII replacement syntax with print mode "ASCII";
Mon, 07 Dec 2015 10:38:04 +0100 wenzelm isabelle update_cartouches -c -t;
Wed, 18 Nov 2015 15:23:34 +0000 paulson New theorems mostly from Peter Gammie
Wed, 11 Nov 2015 09:48:24 +0100 Andreas Lochbihler add various lemmas
Tue, 27 Oct 2015 15:17:02 +0000 paulson Cauchy's integral formula, required lemmas, and a bit of reorganisation
Fri, 09 Oct 2015 20:26:03 +0200 wenzelm discontinued specific HTML syntax;
Mon, 21 Sep 2015 19:52:13 +0100 paulson new lemmas and movement of lemmas into place
Thu, 13 Aug 2015 10:05:58 +0200 haftmann more lemmas
Sat, 18 Jul 2015 22:58:50 +0200 wenzelm isabelle update_cartouches;
Tue, 26 May 2015 21:58:04 +0100 paulson New material about paths, and some lemmas
Wed, 11 Feb 2015 13:47:48 +0100 Andreas Lochbihler add lemmas about bind and image
Wed, 11 Feb 2015 12:01:56 +0000 paulson Merge
Tue, 10 Feb 2015 16:08:11 +0000 paulson New lemmas and a bit of tidying up.
Tue, 10 Feb 2015 14:48:26 +0100 wenzelm proper context for resolve_tac, eresolve_tac, dresolve_tac, forward_tac etc.;
Sun, 02 Nov 2014 18:21:45 +0100 wenzelm modernized header uniformly as section;
Thu, 30 Oct 2014 22:45:19 +0100 wenzelm eliminated aliases;
Sat, 06 Sep 2014 20:12:32 +0200 haftmann added various facts
Mon, 01 Sep 2014 16:17:46 +0200 blanchet tuned structure inclusion
Sat, 21 Jun 2014 10:41:02 +0200 ballarin Two basic lemmas on bij_betw.
Wed, 16 Apr 2014 21:51:41 +0200 haftmann more simp rules for Fun.swap
Sat, 15 Mar 2014 08:31:33 +0100 haftmann more complete set of lemmas wrt. image and composition
Thu, 13 Mar 2014 08:56:08 +0100 haftmann tuned proofs
Sun, 09 Mar 2014 22:45:09 +0100 haftmann bootstrap fundamental Fun theory immediately after Set theory, without dependency on complete lattices
Fri, 07 Mar 2014 22:30:58 +0100 wenzelm more antiquotations;
Fri, 14 Feb 2014 07:53:46 +0100 blanchet renamed 'enriched_type' to more informative 'functor' (following the renaming of enriched type constructors to bounded natural functors)
Wed, 12 Feb 2014 08:35:57 +0100 blanchet renamed '{prod,sum,bool,unit}_case' to 'case_...'
Mon, 20 Jan 2014 18:24:56 +0100 blanchet tuning
Thu, 16 Jan 2014 16:50:41 +0100 blanchet moved lemmas from 'Fun_More_FP' to where they belong
Mon, 25 Nov 2013 10:14:29 +0100 traytel eliminated dependence of BNF on Infinite_Set by moving 3 theorems from the latter to Main
Fri, 18 Oct 2013 10:43:20 +0200 blanchet killed most "no_atp", to make Sledgehammer more complete
Thu, 26 Sep 2013 15:50:33 +0200 Andreas Lochbihler add lemmas
Sun, 23 Jun 2013 21:16:07 +0200 haftmann migration from code_(const|type|class|instance) to code_printing and from code_module to code_identifier
Thu, 18 Apr 2013 17:07:01 +0200 wenzelm simplifier uses proper Proof.context instead of historic type simpset;
Wed, 03 Apr 2013 10:15:43 +0200 haftmann generalized lemma fold_image thanks to Peter Lammich
Thu, 18 Oct 2012 09:19:37 +0200 haftmann simp results for simplification results of Inf/Sup expressions on bool;
Mon, 08 Oct 2012 12:03:49 +0200 haftmann consolidated names of theorems on composition;
Wed, 22 Aug 2012 22:55:41 +0200 wenzelm prefer ML_file over old uses;
Thu, 19 Apr 2012 10:49:47 +0200 huffman tuned lemmas (v)image_id;
Sun, 15 Apr 2012 20:51:07 +0200 haftmann centralized enriched_type declaration, thanks to in-situ available Isar commands
Thu, 15 Mar 2012 22:08:53 +0100 wenzelm declare command keywords via theory header, including strict checking outside Pure;
Wed, 22 Feb 2012 08:05:28 +0100 bulwahn generalizing inj_on_Int
Sun, 05 Feb 2012 08:47:13 +0100 bulwahn removing lemma bij_betw_Disj_Un, as it is a special case of bij_between_combine (was added in d1fc454d6735, and has not been used since)
Sun, 05 Feb 2012 08:36:41 +0100 bulwahn adding a remark about lemma which is too special and should be removed
Sun, 20 Nov 2011 20:26:13 +0100 wenzelm explicit is better than implicit;
Wed, 19 Oct 2011 08:37:20 +0200 bulwahn removing old code generator setup for function types
Wed, 14 Sep 2011 10:08:52 -0400 hoelzl renamed Complete_Lattices lemmas, removed legacy names
Tue, 13 Sep 2011 17:07:33 -0700 huffman tuned proofs
Mon, 12 Sep 2011 07:55:43 +0200 nipkow new fastforce replacing fastsimp - less confusing name
Sat, 10 Sep 2011 10:29:24 +0200 haftmann renamed theory Complete_Lattice to Complete_Lattices, in accordance with Lattices, Orderings etc.
Tue, 06 Sep 2011 14:25:16 +0200 nipkow added new lemmas
Thu, 18 Aug 2011 13:25:17 +0200 haftmann moved fundamental lemma fun_eq_iff to theory HOL; tuned whitespace
Wed, 27 Jul 2011 19:34:30 +0200 hoelzl finite vimage on arbitrary domains
Sun, 17 Jul 2011 22:25:14 +0200 haftmann more on complement
Thu, 07 Jul 2011 21:53:53 +0200 nipkow added translation to fix critical pair between abbreviations for surj and ~=
Fri, 20 May 2011 21:38:32 +0200 hoelzl add surj_vimage_empty
Tue, 05 Apr 2011 11:44:34 +0200 blanchet added "no_atp" to Cantor's paradox
Fri, 21 Jan 2011 09:44:12 +0100 haftmann moved theorem
Tue, 11 Jan 2011 14:12:37 +0100 haftmann "enriched_type" replaces less specific "type_lifting"
Fri, 17 Dec 2010 17:43:54 +0100 wenzelm replaced command 'nonterminals' by slightly modernized version 'nonterminal';
Mon, 06 Dec 2010 09:25:05 +0100 haftmann moved bootstrap of type_lifting to Fun
Mon, 06 Dec 2010 09:19:10 +0100 haftmann replace `type_mapper` by the more adequate `type_lifting`
Fri, 26 Nov 2010 21:09:36 +0100 wenzelm keep private things private, without comments;
Tue, 23 Nov 2010 14:14:17 +0100 hoelzl Move some missing lemmas from Andrei Popescus 'Ordinals and Cardinals' AFP entry to the HOL-image.
Mon, 22 Nov 2010 10:34:33 +0100 hoelzl Replace surj by abbreviation; remove surj_on.
Thu, 18 Nov 2010 17:01:15 +0100 haftmann map_fun combinator in theory Fun
Mon, 13 Sep 2010 11:13:15 +0200 nipkow renamed lemmas: ext_iff -> fun_eq_iff, set_ext_iff -> set_eq_iff, set_ext -> set_eqI
Wed, 08 Sep 2010 10:45:55 +0200 nipkow put expand_(fun/set)_eq back in as synonyms, for compatibility
Tue, 07 Sep 2010 10:05:19 +0200 nipkow expand_fun_eq -> ext_iff
Thu, 02 Sep 2010 21:08:31 +0200 hoelzl Revert bij_betw changes to simp set (Problem in afp/Ordinals_and_Cardinals)
Thu, 02 Sep 2010 11:54:09 +0200 hoelzl Introduce surj_on and replace surj and bij by abbreviations.
Thu, 02 Sep 2010 10:45:51 +0200 hoelzl Permutation implies bij function
Thu, 02 Sep 2010 10:36:45 +0200 hoelzl bij <--> bij_betw
Fri, 20 Aug 2010 17:46:55 +0200 haftmann inj_comp and inj_fun
Mon, 12 Jul 2010 10:48:37 +0200 haftmann dropped superfluous [code del]s
Fri, 09 Jul 2010 08:11:10 +0200 haftmann nicer xsymbol syntax for fcomp and scomp
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;
Fri, 05 Mar 2010 17:49:10 +0100 hoelzl generalized inj_uminus; added strict_mono_imp_inj_on
Thu, 04 Mar 2010 19:43:51 +0100 hoelzl Rewrite rules for images of minus of intervals
Mon, 01 Mar 2010 13:40:23 +0100 haftmann replaced a couple of constsdefs by definitions (also some old primrecs by modern ones)
Thu, 11 Feb 2010 23:00:22 +0100 wenzelm modernized translations;
Wed, 30 Dec 2009 10:24:53 +0100 krauss killed a few warnings
Mon, 21 Dec 2009 08:32:22 +0100 haftmann merged
Mon, 21 Dec 2009 08:32:03 +0100 haftmann moved lemmas o_eq_dest, o_eq_elim here
Fri, 18 Dec 2009 18:48:27 -0800 huffman add lemma swap_triple
Wed, 16 Dec 2009 14:38:35 -0800 huffman declare swap_self [simp], add lemma comp_swap
Thu, 29 Oct 2009 11:41:36 +0100 haftmann moved Nat_Transfer before Divides; distributed Nat_Transfer setup accordingly
Thu, 22 Oct 2009 09:27:48 +0200 nipkow inv_onto -> inv_into
Tue, 20 Oct 2009 16:32:51 +0100 paulson Some new lemmas concerning sets
Mon, 19 Oct 2009 16:43:45 +0200 berghofe Renamed inv to the_inv and turned it into an abbreviation (based on the_inv_onto).
Sun, 18 Oct 2009 12:07:25 +0200 nipkow Inv -> inv_onto, inv abbr. inv_onto UNIV.
Sat, 17 Oct 2009 13:46:39 +0200 nipkow added the_inv_onto
Tue, 29 Sep 2009 16:24:36 +0200 wenzelm explicit indication of Unsynchronized.ref;
Thu, 10 Sep 2009 15:23:07 +0200 haftmann early bootstrap of generic transfer procedure
Mon, 10 Aug 2009 17:00:41 +0200 nipkow new lemma bij_comp
Wed, 22 Jul 2009 18:02:10 +0200 haftmann moved complete_lattice &c. into separate theory
Mon, 06 Jul 2009 14:19:13 +0200 haftmann moved Inductive.myinv to Fun.inv; tuned
Tue, 23 Jun 2009 12:09:30 +0200 haftmann uniformly capitialized names for subdirectories
Wed, 10 Jun 2009 15:04:33 +0200 haftmann separate directory for datatype package
Thu, 04 Jun 2009 13:26:32 +0200 nipkow A few finite lemmas
Tue, 19 May 2009 13:57:31 +0200 haftmann pretty printing of functional combinators for evaluation code
Sat, 09 May 2009 07:25:22 +0200 nipkow lemmas by Andreas Lochbihler
Thu, 05 Mar 2009 08:23:08 +0100 haftmann dropped Id
Fri, 31 Oct 2008 10:35:30 +0100 berghofe Replaced arbitrary by undefined.
Fri, 10 Oct 2008 06:45:53 +0200 haftmann `code func` now just `code`
Mon, 23 Jun 2008 23:45:39 +0200 wenzelm Logic.all/mk_equals/mk_implies;
Fri, 13 Jun 2008 15:22:07 +0200 nipkow hide -> hide (open)
Thu, 12 Jun 2008 14:10:41 +0200 nipkow Hid swap
Tue, 10 Jun 2008 19:15:18 +0200 wenzelm tuned proofs -- case_tac *is* available here;
Tue, 10 Jun 2008 15:30:56 +0200 haftmann removed some dubious code lemmas
Wed, 09 Apr 2008 08:10:11 +0200 haftmann removed syntax from monad combinators; renamed mbind to scomp
Thu, 20 Mar 2008 12:04:53 +0100 haftmann added forward composition
Wed, 19 Mar 2008 22:50:42 +0100 wenzelm more antiquotations;
Tue, 26 Feb 2008 20:38:12 +0100 haftmann moved some set lemmas to Set.thy
Thu, 21 Feb 2008 17:33:58 +0100 nipkow moved bij_betw from Library/FuncSet to Fun, redistributed some lemmas, and
Thu, 10 Jan 2008 19:10:08 +0100 berghofe Added test data generator for function type (from Pure/codegen.ML).
Wed, 15 Aug 2007 12:52:56 +0200 paulson ATP blacklisting is now in theory data, attribute noatp
Sat, 28 Jul 2007 20:40:19 +0200 wenzelm simproc_setup fun_upd2;
Fri, 20 Jul 2007 14:27:56 +0200 haftmann simplified HOL bootstrap
Wed, 11 Jul 2007 11:02:07 +0200 berghofe Added ML bindings for sup_fun_eq and sup_bool_eq.
Wed, 09 May 2007 07:53:06 +0200 haftmann moved recfun_codegen.ML to Code_Generator.thy
Sun, 06 May 2007 21:50:17 +0200 haftmann changed code generator invocation syntax
Fri, 20 Apr 2007 11:21:42 +0200 haftmann Isar definitions are now added explicitly to code theorem table
Wed, 04 Apr 2007 00:10:59 +0200 wenzelm ML antiquotes;
Fri, 16 Mar 2007 21:32:09 +0100 haftmann moved lattice instance here
Wed, 27 Dec 2006 19:09:55 +0100 haftmann explizit serialization for Haskell id
Mon, 18 Dec 2006 08:21:26 +0100 haftmann infix syntax for generated code for composition
Mon, 27 Nov 2006 13:42:39 +0100 haftmann moved order arities for fun and bool to Fun/Orderings
Mon, 13 Nov 2006 15:43:04 +0100 haftmann dropped Typedef dependency
Tue, 07 Nov 2006 11:47:57 +0100 wenzelm renamed 'const_syntax' to 'notation';
Sat, 08 Jul 2006 12:54:30 +0200 wenzelm simprocs: no theory argument -- use simpset context instead;
Tue, 16 May 2006 21:33:01 +0200 wenzelm tuned concrete syntax -- abbreviation/const_syntax;
Tue, 02 May 2006 20:42:32 +0200 wenzelm replaced syntax/translations by abbreviation;
Sat, 08 Apr 2006 22:51:06 +0200 wenzelm refined 'abbreviation';
Thu, 23 Mar 2006 20:03:53 +0100 nipkow Converted translations to abbbreviations.
Fri, 11 Nov 2005 00:09:37 +0100 huffman add header
Fri, 21 Oct 2005 18:14:34 +0200 wenzelm Goal.prove;
Mon, 17 Oct 2005 23:10:15 +0200 wenzelm Simplifier.inherit_context instead of Simplifier.inherit_bounds;
Thu, 22 Sep 2005 23:56:15 +0200 nipkow renamed rules to iprover
Tue, 16 Aug 2005 15:36:28 +0200 paulson classical rules must have names for ATP integration
Mon, 01 Aug 2005 19:20:26 +0200 wenzelm simprocs: Simplifier.inherit_bounds;
Thu, 07 Jul 2005 12:39:17 +0200 nipkow linear arithmetic now takes "&" in assumptions apart.
Sun, 10 Apr 2005 17:19:03 +0200 nipkow _(_|_) is now override_on
Sun, 13 Feb 2005 17:15:14 +0100 skalberg Deleted Library.option type.
Wed, 09 Feb 2005 18:32:28 +0100 paulson new foldSet proofs
Fri, 14 Jan 2005 12:00:27 +0100 nipkow made diff_less a simp rule
Sun, 21 Nov 2004 15:44:20 +0100 nipkow added lemmas
Wed, 18 Aug 2004 11:09:40 +0200 nipkow import -> imports
Mon, 16 Aug 2004 14:22:27 +0200 nipkow New theory header syntax.
Wed, 04 Aug 2004 19:11:02 +0200 nipkow added some inj_on thms
Wed, 14 Apr 2004 14:13:05 +0200 kleing use more symbols in HTML output
Mon, 14 Apr 2003 18:52:13 +0200 nipkow Added thms
Thu, 10 Oct 2002 14:21:20 +0200 berghofe - Added range_ex1_eq
Thu, 26 Sep 2002 10:51:29 +0200 paulson Converted Fun to Isar style.
Tue, 11 Dec 2001 13:43:00 +0100 wenzelm oops;
Mon, 10 Dec 2001 20:59:43 +0100 wenzelm bounded abstraction now uses syntax "%" / "\<lambda>" instead of "lam";
Sat, 01 Dec 2001 18:52:32 +0100 wenzelm renamed class "term" to "type" (actually "HOL.type");
Wed, 21 Nov 2001 00:33:40 +0100 wenzelm got rid of theory Inverse_Image;
Fri, 09 Nov 2001 00:09:47 +0100 wenzelm eliminated old "symbols" syntax, use "xsymbols" instead;
Thu, 27 Sep 2001 22:28:16 +0200 wenzelm eliminated theories "equalities" and "mono" (made part of "Typedef",
Wed, 25 Jul 2001 13:13:01 +0200 paulson partial restructuring to reduce dependence on Axiom of Choice
Wed, 14 Feb 2001 20:45:35 +0100 oheimb removed whitespace
Mon, 08 Jan 2001 12:27:36 +0100 nipkow Removed Applyall
Thu, 12 Oct 2000 18:38:23 +0200 nipkow *** empty log message ***
Sun, 16 Jul 2000 20:48:35 +0200 wenzelm syntax (symbols) "op o" moved from HOL to Fun;
Fri, 14 Jul 2000 16:27:45 +0200 oheimb added hint on fun_sum
Thu, 13 Jul 2000 23:08:42 +0200 wenzelm fixed compose decl;
Sun, 25 Jun 2000 23:58:27 +0200 wenzelm tuned;
Wed, 24 May 2000 18:48:03 +0200 paulson we must not require SetInterval this early
Tue, 23 May 2000 07:32:24 +0200 nipkow Added SetInterval
Fri, 18 Feb 2000 20:24:16 +0100 oheimb changed precedence of function update
Fri, 27 Aug 1999 15:41:11 +0200 paulson the bij predicate (at last)
Wed, 03 Feb 1999 13:26:07 +0100 paulson inj is now a translation of inj_on
Fri, 13 Nov 1998 13:26:16 +0100 paulson the function space operator
Fri, 02 Oct 1998 14:28:39 +0200 nipkow id <-> Id
Wed, 12 Aug 1998 16:23:25 +0200 oheimb cleanup for Fun.thy:
Mon, 27 Apr 1998 16:45:11 +0200 nipkow Added a few lemmas.
Tue, 24 Feb 1998 11:35:33 +0100 paulson New theory of the inverse image of a function
Sat, 01 Nov 1997 12:59:06 +0100 paulson New Blast_tac (and minor tidying...)
Fri, 04 Apr 1997 16:33:28 +0200 nipkow moved inj and surj from Set to Fun and Inv -> inv.
Mon, 05 Feb 1996 21:27:16 +0100 clasohm expanded tabs; renamed subtype to typedef;
Fri, 03 Mar 1995 12:02:25 +0100 clasohm new version of HOL with curried function application
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