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* Now interpreting introduction patterns [x1 .. xn] and (x1,..,xn) as anGravatar herbelin2013-06-02
| | | | | | | "injection" tactic when applied on an equality statement. Moreover, hypotheses are now entered in the left-to-right order. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16550 85f007b7-540e-0410-9357-904b9bb8a0f7
* Use the Hook module here and there.Gravatar ppedrot2013-05-12
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16510 85f007b7-540e-0410-9357-904b9bb8a0f7
* Merging Context and Sign.Gravatar ppedrot2013-04-29
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16463 85f007b7-540e-0410-9357-904b9bb8a0f7
* Splitting Term into five unrelated interfaces:Gravatar ppedrot2013-04-29
| | | | | | | | | | | | | | | | | 1. sorts.ml: A small file utility for sorts; 2. constr.ml: Really low-level terms, essentially kind_of_constr, smart constructor and basic operators; 3. vars.ml: Everything related to term variables, that is, occurences and substitution; 4. context.ml: Rel/Named context and all that; 5. term.ml: derived utility operations on terms; also includes constr.ml up to some renaming, and acts as a compatibility layer, to be deprecated. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16462 85f007b7-540e-0410-9357-904b9bb8a0f7
* Modulification of nameGravatar ppedrot2012-12-18
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16099 85f007b7-540e-0410-9357-904b9bb8a0f7
* Modulification of identifierGravatar ppedrot2012-12-14
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16071 85f007b7-540e-0410-9357-904b9bb8a0f7
* Updating headers.Gravatar herbelin2012-08-08
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15715 85f007b7-540e-0410-9357-904b9bb8a0f7
* induction/destruct : nicer syntax for generating equations (solves #2741)Gravatar letouzey2012-07-09
| | | | | | | | | | | | | | | | | | The ugly syntax "destruct x as [ ]_eqn:H" is replaced by: destruct x eqn:H destruct x as [ ] eqn:H Some with induction. Of course, the pattern behind "as" is arbitrary. For an anonymous version, H could be replaced by ?. The old syntax with "_eqn" still works for the moment, by triggers a warning. For making this new syntax work, we had to change the seldom-used "induction x y z using foo" into "induction x, y, z using foo". Now, only one "using" can be used per command instead of one per comma-separated group earlier, but I doubt this will bother anyone. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15566 85f007b7-540e-0410-9357-904b9bb8a0f7
* Added an indirection with respect to Loc in Compat. As many [open Compat]Gravatar ppedrot2012-06-22
| | | | | | | | | | were closed (i.e. the only remaining ones are those of printing/parsing). Meanwhile, a simplified interface is provided in loc.mli. This also permits to put Pp in Clib, because it does not depend on CAMLP4/5 anymore. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15475 85f007b7-540e-0410-9357-904b9bb8a0f7
* remove many excessive open Util & Errors in mli'sGravatar letouzey2012-05-29
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15392 85f007b7-540e-0410-9357-904b9bb8a0f7
* global_reference migrated from Libnames to new Globnames, less deps in ↵Gravatar letouzey2012-05-29
| | | | | | grammar.cma git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15384 85f007b7-540e-0410-9357-904b9bb8a0f7
* New files intf/constrexpr.mli and intf/notation_term.mli out of TopconstrGravatar letouzey2012-05-29
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15375 85f007b7-540e-0410-9357-904b9bb8a0f7
* locus.mli for occurrences+clauses, misctypes.mli for various little thingsGravatar letouzey2012-05-29
| | | | | | | | | Corresponding operations in locusops.ml and miscops.ml The type of occurrences is now a clear algebraic one instead of a bool*list hard to understand. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15372 85f007b7-540e-0410-9357-904b9bb8a0f7
* Noise for nothingGravatar pboutill2012-03-02
| | | | | | | | | | | Util only depends on Ocaml stdlib and Utf8 tables. Generic pretty printing and loc functions are in Pp. Generic errors are in Errors. + Training white-spaces, useless open, prlist copies random erasure. Too many "open Errors" on the contrary. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15020 85f007b7-540e-0410-9357-904b9bb8a0f7
* Added support for referring to subterms of the goal by pattern.Gravatar herbelin2011-09-26
| | | | | | Tactics set/remember and destruct/induction take benefit of it. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14499 85f007b7-540e-0410-9357-904b9bb8a0f7
* Exported tactic intro_thenGravatar herbelin2011-08-10
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14403 85f007b7-540e-0410-9357-904b9bb8a0f7
* Use "subst_one" instead of "multi_rewrite" to implement intro-patterns -> ↵Gravatar herbelin2011-07-16
| | | | | | and <- when a variable is about to be substituted (subst_one rewrite the whole context at once, while multi_rewrite rewrites each hyp independently, what may break typing in case of dependencies). Also generalize "dependent rewrite" to "sig" (to be done: generalize it to eq_dep, eq_dep1, and any dependent tuple). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14279 85f007b7-540e-0410-9357-904b9bb8a0f7
* Moved allow_K to a unification flagGravatar herbelin2011-06-10
| | | | | | | | - seized the opportunity to align unification flags for functional induction to the ones of induction - also tried to add delta in the elim_flags used in tactics.ml - also tried to unify the rewrite flags in concl or in hyp (removed allow_K in hyps) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14186 85f007b7-540e-0410-9357-904b9bb8a0f7
* Rename rawterm.ml into glob_term.mlGravatar glondu2010-12-23
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13744 85f007b7-540e-0410-9357-904b9bb8a0f7
* Updated all headers for 8.3 and trunkGravatar herbelin2010-07-24
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13323 85f007b7-540e-0410-9357-904b9bb8a0f7
* New script dev/tools/change-header to automatically update Coq files headers.Gravatar herbelin2010-06-22
| | | | | | Applied it to fix mli file headers. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13176 85f007b7-540e-0410-9357-904b9bb8a0f7
* Remove the svn-specific $Id$ annotationsGravatar letouzey2010-04-29
| | | | | | | | | | | - Many of them were broken, some of them after Pierre B's rework of mli for ocamldoc, but not only (many bad annotation, many files with no svn property about Id, etc) - Useless for those of us that work with git-svn (and a fortiori in a forthcoming git-only setting) - Even in svn, they seem to be of little interest git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12972 85f007b7-540e-0410-9357-904b9bb8a0f7
* Move from ocamlweb to ocamdoc to generate mli documentationGravatar pboutill2010-04-29
| | | | | | | | | | | | | | | | | | | dev/ocamlweb-doc has been erased. I hope no one still use the "new-parse" it generate. In dev/, make html will generate in dev/html/ "clickable version of mlis". (as the caml standard library) make coq.pdf will generate nearly the same awfull stuff that coq.ps was. make {kernel,lib,parsing,..}.{dot,png} will do the dependancy graph of the given directory. ocamldoc comment syntax is here : http://caml.inria.fr/pub/docs/manual-ocaml/manual029.html The possibility to put graphs in pdf/html seems to be lost. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12969 85f007b7-540e-0410-9357-904b9bb8a0f7
* Removing redundant internal variants of apply tactic and simplification of ↵Gravatar herbelin2010-04-14
| | | | | | | | ML names (late consequences of commit r12603) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12934 85f007b7-540e-0410-9357-904b9bb8a0f7
* Update CHANGES, add documentation for new commands/tactics and do a bitGravatar msozeau2010-01-30
| | | | | | | of cleanup in tactics/ git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12705 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixing bug #2146 (broken selection of occurrences in "change").Gravatar herbelin2009-12-30
| | | | | | | | | | In trunk the different possible combinations of "at" and "in" with occurrences are taken into account. In 8.2 branch, it remains fragile (syntaxes that were accepted remain accepted and a message warns if the occurrences coming after the "with" are not taken into account). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12614 85f007b7-540e-0410-9357-904b9bb8a0f7
* In "simpl c" and "change c with d", c can be a pattern.Gravatar herbelin2009-12-24
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12608 85f007b7-540e-0410-9357-904b9bb8a0f7
* Generic support for open terms in tacticsGravatar herbelin2009-12-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We renounced to distribute evars to constr and bindings and to let tactics do the merge. There are now two disciplines: - the general case is that the holes in tactic arguments are pushed to the general sigma of the goal so that tactics have no such low-level tclEVARS, Evd.merge, or check_evars to do: - what takes tclEVARS and check_evars in charge is now a new tactical of name tclWITHHOLES (this tactical has a flag to support tactics in either the "e"- mode and the non "e"- mode); - the merge of goal evars and holes is now done generically at interpretation time (in tacinterp) and as a side-effect it also anticipates the possibility to refer to evars of the goal in the arguments; - with this approach, we don't need such constr/open_constr or bindings/ebindings variants and we can get rid of all ugly inj_open-style coercions; - some tactics however needs to have the exact subset of holes known; this is the case e.g. of "rewrite !c" which morally reevaluates c at each new rewriting step; this kind of tactics still receive a specific sigma around their arguments and they have to merge evars and call tclWITHHOLES by themselves. Changes so that each specific tactics can take benefit of this generic support remain to be done. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12603 85f007b7-540e-0410-9357-904b9bb8a0f7
* Made the side-conditions of lemmas always come last when chaining "apply in"Gravatar herbelin2009-12-13
| | | | | | | in presence of destruction of conjunctive types. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12584 85f007b7-540e-0410-9357-904b9bb8a0f7
* Minor fixes in typeclasses, avoiding repeated evar normalizations.Gravatar msozeau2009-11-24
| | | | | | | | | | | Improve generalization by equalities tactic, now allowing to generalize an arbitrary application, e.g. in preparation for applying an elimination principle for a function. This adds a flag to generalize_dep so that it doesn't abstract the variable if it is defined, just introducing a let-in. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12541 85f007b7-540e-0410-9357-904b9bb8a0f7
* Restructuration of command.ml + generic infrastructure for inductive schemesGravatar herbelin2009-11-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Cleaning and uniformisation in command.ml: - For better modularity and better visibility, two files got isolated out of command.ml: - lemmas.ml is about starting and saving a proof - indschemes.ml is about declaring inductive schemes - Decomposition of the functions of command.ml into a functional part and the imperative part - Inductive schemes: - New architecture in ind_tables.ml for registering scheme builders, and for sharing and generating on demand inductive schemes - Adding new automatically generated equality schemes (file eqschemes.ml) - "_congr" for equality types (completing here commit 12273) - "_rew_forward" (similar to vernac-level eq_rect_r), "_rew_forward_dep", "_rew_backward" (similar to eq_rect), "_rew_backward_dep" for rewriting schemes (warning, rew_forward_dep cannot be stated following the standard Coq pattern for inductive types: "t=u" cannot be the last argument of the scheme) - "_case", "_case_nodep", "_case_dep" for case analysis schemes - Preliminary step towards discriminate and injection working on any equality-like type (e.g. eq_true) - Restating JMeq_congr under the canonical form of congruence schemes - Renamed "Set Equality Scheme" into "Set Equality Schemes" - Added "Set Rewriting Schemes", "Set Case Analysis Schemes" - Activation of the automatic generation of boolean equality lemmas - Partial debug and error messages improvements for the generation of boolean equality and decidable equality - Added schemes for making dependent rewrite working (unfortunately with not a fully satisfactory design - see file eqschemes.ml) - Some names of ML function made more regular (see dev/doc/changes.txt) - Incidentally, added a flush to obsolete Local/Global syntax warning git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12481 85f007b7-540e-0410-9357-904b9bb8a0f7
* Integrate a few improvements on typeclasses and Program from the equations ↵Gravatar msozeau2009-10-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | branch and remove equations stuff which moves to a separate plugin. Classes: - Ability to define classes post-hoc from constants or inductive types. - Correctly rebuild the hint database associated to local hypotheses when they are changed by a [Hint Extern] in typeclass resolution. Tactics and proofs: - Change [revert] so that it keeps let-ins (but not [generalize]). - Various improvements to the [generalize_eqs] tactic to make it more robust and produce the smallest proof terms possible. Move [specialize_hypothesis] in tactics.ml as it goes hand in hand with [generalize_eqs]. - A few new general purpose tactics in Program.Tactics like [revert_until] - Make transitive closure well-foundedness proofs transparent. - More uniform testing for metas/evars in pretyping/unification.ml (might introduce a few changes in the contribs). Program: - Better sorting of dependencies in obligations. - Ability to start a Program definition from just a type and no obligations, automatically adding an obligation for this type. - In compilation of Program's well-founded definitions, make the functional a separate definition for easier reasoning. - Add a hint database for every Program populated by [Hint Unfold]s for every defined obligation constant. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12440 85f007b7-540e-0410-9357-904b9bb8a0f7
* Only one "in" clause in "destruct" even for a multiple "destruct".Gravatar herbelin2009-09-20
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12348 85f007b7-540e-0410-9357-904b9bb8a0f7
* Delete trailing whitespaces in all *.{v,ml*} filesGravatar glondu2009-09-17
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12337 85f007b7-540e-0410-9357-904b9bb8a0f7
* Added syntax "exists bindings, ..., bindings" for iterated "exists".Gravatar herbelin2009-09-10
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12316 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Add more precise error localisation when one of the application failsGravatar herbelin2009-08-04
| | | | | | | | | | | | in a chain of apply or apply-in. - Improved comments on the notions of permutation used in the library (still the equality relation in file Permutation.v misses the property of being effectively an equivalence relation, hence missing expected properties of this notion of permutation). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12261 85f007b7-540e-0410-9357-904b9bb8a0f7
* Added "etransitivity".Gravatar herbelin2009-08-03
| | | | | | | | | | | | Added support for "injection" and "discriminate" on JMeq. Seized the opportunity to update coqlib.ml and to rely more on it for finding the equality lemmas. Fixed typos in coqcompat.ml. Propagated symmetry convert_concl fix to transitivity (see 11521). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12259 85f007b7-540e-0410-9357-904b9bb8a0f7
* Reimplementation of leibniz rewrite to control the instantiation of theGravatar msozeau2009-06-16
| | | | | | | | | | rewriting lemma more precisely. This should make rewrite properly fail when existentials are around instead of giving an identical goal up to new evars. Also a first step towards adding occurences to the leibniz rewrite. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12192 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Added two new introduction patterns with the following temptative syntaxes:Gravatar herbelin2009-06-07
| | | | | | | | | | | | | | - "*" implements Arthur Charguéraud's "introv" - "**" works as "; intros" (see also "*" in ssreflect). - Simplifying the proof of Z_eq_dec, as suggested by Frédéric Blanqui. - Shy attempt to seize the opportunity to clean Zarith_dec but Coq's library is really going anarchically (see a summary of the various formulations of total order, dichotomy of order and decidability of equality and in stdlib-project.tex in branch V8revised-theories). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12171 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixing bug 2110 (tactic "refine" was calling (co)mutual_fix with index 0Gravatar herbelin2009-06-06
| | | | | | | instead of the index required by the user; extended FixRule and Cofix accordingly). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12168 85f007b7-540e-0410-9357-904b9bb8a0f7
* Uniformizing Tacticals, continued (allClauses -> allHypsAndConcl)Gravatar herbelin2009-03-17
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11990 85f007b7-540e-0410-9357-904b9bb8a0f7
* Cleaning/improving the use of the "in" clause (e.g. "unfold foo in H at 4"Gravatar herbelin2009-03-16
| | | | | | | | | | | | | | now works correctly, "unfold foo at 4 in H at 3" now fails correctly, etc.). The terminology for clauses (though I don't find the term "clause" very intuitive after all) is mostly preserved except for "simple_clause" which becomes a light form of "clause" instead of being an atom of clause (what played the role of "simple_clause" is now called "goal_location" - better names are welcome). Main changes are in tacticals.ml and tactics.ml. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11981 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Another bug in get_sort_family_of (sort-polymorphism of constants andGravatar herbelin2008-12-28
| | | | | | | | | | | | | | | | | | | | | | | inductive types was not taken into account). - Virtually extended tauto to - support arbitrary-length disjunctions and conjunctions, - support arbitrary complex forms of disjunctions and conjunctions when in the contravariant of an implicative hypothesis, - stick with the purely propositional fragment and not apply reflexivity. This is virtual in the sense that it is not activated since it breaks compatibility with the existing tauto. - Modified the notion of conjunction and unit type used in hipattern in a way that is closer to the intuitive meaning (forbid dependencies between parameters in conjunction; forbid indices in unit types). - Investigated how far "iff" could be turned into a direct inductive definition; modified tauto.ml4 so that it works with the current and the alternative definition. - Fixed a bug in the error message from lookup_eliminator. - Other minor changes. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11721 85f007b7-540e-0410-9357-904b9bb8a0f7
* Finish fix for the treatment of [inverse] in [setoid_rewrite], making aGravatar msozeau2008-12-16
| | | | | | | | | | variant of the [unify] tactic that takes a hint db as argument and does unification modulo its [transparent_state]. Add test-file for bug #1939 and another [AdvancedTypeClasses.v] that mimicks [AdvancedCanonicalStructure.v]. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11685 85f007b7-540e-0410-9357-904b9bb8a0f7
* About "apply in":Gravatar herbelin2008-12-09
| | | | | | | | | | | | | | | | | | - Added "simple apply in" (cf wish 1917) + conversion and descent under conjunction + contraction of useless beta-redex in "apply in" + support for open terms. - Did not solve the "problem" that "apply in" generates a let-in which is type-checked using a kernel conversion in the opposite side of what the proof indicated (hence leading to a potential unexpected penalty at Qed time). - When applyng a sequence of lemmas, it would have been nice to allow temporary evars as intermediate steps but this was too long to implement. Smoother API in tactics.mli for assert_by/assert_as/pose_proof. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11662 85f007b7-540e-0410-9357-904b9bb8a0f7
* Port [rewrite] tactics to open terms. Currently no check that evarsGravatar msozeau2008-11-05
| | | | | | | | introduced by the lemma remain in the subgoals (i.e. it's really [erewrite]). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11544 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixes and refinements regarding occurrence selection:Gravatar herbelin2008-10-26
| | | | | | | | | | | | | | | - make the modifiers "value of" and "type of" for "set" working (it was not!), - clear unselected hypotheses in the "in" clause of "induction/destruct" when the destructed term is a variable (experimental), - support for generalization of hypotheses in the induction hypotheses using the "in" clause of "induction" (e.g. "induction n in m, H" will generalize over m -- would it be better to have an explicit "over"/"generalizing" clause ?). Added clause "as" to "apply in". git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11509 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fix bug #1977 by allowing the [apply] variants to take an [open_constr]Gravatar msozeau2008-10-23
| | | | | | | | | | instead of a completely resolved [constr] as input. The propagation of the evars associated to the lemma is only allowed when the evar flag is on (i.e. for [eapply]), otherwise they should be resolved by the end of the application. Should be completely backwards compatible... git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11497 85f007b7-540e-0410-9357-904b9bb8a0f7
* Optimisation de clenv.ml pour que meta_instance ne soit pas appeléGravatar herbelin2008-10-18
| | | | | | | | | | abusivement sur les clauses. Nettoyage au passage de metamap qui était utilisé à la fois pour les substitutions de meta et pour les contextes de typage de meta. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11467 85f007b7-540e-0410-9357-904b9bb8a0f7
* Various little improvements:Gravatar msozeau2008-09-25
| | | | | | | | | | | | | | - A new [dependent pattern] tactic to do a pattern on an object in an inductive family and generalize by both the indexes and the object itself. Useful to prepare a goal for elimination with a dependent principle. - Better dependent elimination simplification tactic that doesn't throw away non-dependent equalities if they can't be injected. - Add [fold_sub] and [unfold_sub] tactics for folding/unfolding well-founded definitions using measures built by Program. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11420 85f007b7-540e-0410-9357-904b9bb8a0f7
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