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2020-11-19Removing duplicate clears and turning the warning into an errorCyril Cohen
2020-11-19Merge pull request #656 from affeldt-aist/declare_scopesCyril Cohen
add declare scopes
2020-11-19add declare scopesReynald Affeldt
2020-11-19Rename `subseq_order_path` to `subseq_path`Kazuhiko Sakaguchi
2020-11-19Apply suggestions from code reviewKazuhiko Sakaguchi
Co-authored-by: Cyril Cohen <CohenCyril@users.noreply.github.com>
2020-11-19Apply a suggestion from code reviewKazuhiko Sakaguchi
Co-authored-by: Christian Doczkal <christian.doczkal@inria.fr>
2020-11-19Refactor, reshuffle, and rename sorting lemmas in `path.v`Kazuhiko Sakaguchi
- Lemmas `sorted_(lt|le)_nth` have been renamed to `sorted_(ltn|leq)_nth`. - Lemmas `(ltn|leq)_index` have been renamed to `sorted_(ltn|leq)_index` and generalized for non-`eqType`s. - Lemmas `order_path_min`, `path_sortedE`, `subseq_order_path`, `subseq_sorted`, `sorted_uniq`, `sorted_eq`, `irr_sorted_eq`, `sorted_(ltn|leq)_nth`, and `sorted_(ltn|leq)_index` have been relocated since their proofs are independent from `merge` and `sort`. - The stability proofs for `iota` sequences (`push_stable`, `pop_stable`, and `sort_iota_stable`) have been simplified by sorting out their hypotheses and by redefining `push_invariant` to include the `sorted` condition. Their main result `sort_iota_stable`, formerly a local `Let` to prove `sort_stable`, has been turned into a lemma. - Some stability proofs for general sequences (`sort_stable` and `filter_sort`) have also been simplified, of which the former one uses the above `sorted_ltn_nth` lemma for a non-`eqType`.
2020-11-18Merge pull request #651 from CohenCyril/merge_sort_push_invariantCyril Cohen
Adding size_merge_sort_push
2020-11-18Merge pull request #599 from CohenCyril/dup_swap_applyEnrico Tassi
Intro pattern extensions for dup, swap and apply
2020-11-18Adding size_merge_sort_pushCyril Cohen
This documents the fact that `merge_sort_push` preserves an invariant on its second argument. Importing a statement and proof by Georges Gonthier, inspired by one of Karl Palmskog's contribution. Co-Authored-By: Karl Palmskog <palmskog@kth.se> Co-Authored-By: Georges Gonthier <georges.gonthier@inria.fr>
2020-11-13Rename `eq_sorted` lemmas to `sorted_eq` and generalize `sort_le_id`Kazuhiko Sakaguchi
- Rename `eq_sorted` lemmas to `sorted_eq` to address a naming inconsistency. - Lemma `sort_le_id` has been generalized from `orderType` to `porderType`.
2020-11-12Apply suggestions from KazuhikoCyril Cohen
Co-authored-by: Kazuhiko Sakaguchi <pi8027@gmail.com>
2020-11-12Equivalences instead of implications for `count_maskP` and `count_subseqP`Cyril Cohen
2020-11-12Shorter proofs and suggestions by KazuhikoCyril Cohen
Co-authored-by: Kazuhiko Sakaguchi <pi8027@gmail.com>
2020-11-12Adding some theory for `rem` and generalizing `subset_maskP`Cyril Cohen
- Added helper lemmas about `rem`: `rem_cons` (to control unfolding), `remE`, `count_rem`, `count_mem_rem`, and `subseq_mem`. (New lemma `drop_index` briges the gap between `cat_take_drop` and `remE`). - `subset_maskP`, which was not released yet is generalized with hypothesis `(forall x, count_mem x s1 <= count_mem x s2)`, instead of `uniq s1` and `{subset s1 <= s2}`, the previous behaviour can be restored with helper lemma `leq_uniq_count` - Its trivial consequence `subset_subseqP` has been added too.
2020-11-11Intro pattern extensions for dup, swap and applyCyril Cohen
2020-11-11Merge pull request #640 from CohenCyril/fix_iota_addCyril Cohen
Deprecation of iota_add delayed, and not the one of iter_add
2020-11-11make pivot the first argument in uniq_subseq_pivotChristian Doczkal
Co-authored-by: Cyril Cohen <CohenCyril@users.noreply.github.com>
2020-11-11turn uniq_subseq_pivot into equalityChristian Doczkal
2020-11-11Apply suggestions from code reviewChristian Doczkal
Co-authored-by: Cyril Cohen <CohenCyril@users.noreply.github.com> Co-authored-by: Kazuhiko Sakaguchi <pi8027@gmail.com>
2020-11-11fixup after feedback from CyrilChristian Doczkal
2020-11-11Apply suggestions from code reviewChristian Doczkal
Co-authored-by: Cyril Cohen <CohenCyril@users.noreply.github.com>
2020-11-11suggestions from CyrilChristian Doczkal
2020-11-11lemmas on subseq and rotChristian Doczkal
2020-11-11Deprecation of iota_add delayed, and not the one of iter_addCyril Cohen
2020-11-11Merge pull request #632 from pi8027/path-cycle-sortedCyril Cohen
Reorganize, generalize, and add lemmas about `path`, `cycle`, and `sorted`
2020-11-11New lemmas about allpairsCyril Cohen
Co-authored-by: Kazuhiko Sakaguchi <pi8027@gmail.com>
2020-11-11Remove `cycle_(mask|filter)` lemmasKazuhiko Sakaguchi
2020-11-11Apply suggestions from code reviewKazuhiko Sakaguchi
Co-authored-by: Cyril Cohen <CohenCyril@users.noreply.github.com>
2020-11-10Reorganize, generalize, and add lemmas about `path`, `cycle`, and `sorted`Kazuhiko Sakaguchi
- Add `allss` and `all_mask` lemmas. - Since `path`, `cycle`, and `sorted` share similar properties, these lemmas have been relocated in the same place to improve the visibility. Some missing lemmas have also been discovered and added. - Generalize `sub_path_in`, `sub_sorted_in`, and `eq_path_in` for non-`eqType` T by introducing a predicate `P : {pred T}`.
2020-11-06Merge pull request #633 from CohenCyril/fix628Enrico Tassi
Delaying the deprecation of `iter_add`
2020-11-07Merge pull request #626 from CohenCyril/inj_card_bijKazuhiko Sakaguchi
Generalizing inj_card_onto and inj_card_bij.
2020-11-06Update mathcomp/ssreflect/ssrnat.vCyril Cohen
2020-11-05test switching Coq deprecation mechanizmCyril Cohen
2020-11-04Remove the `mc_1_9` compat moduleKazuhiko Sakaguchi
2020-11-03Generalizing inj_card_onto and inj_card_bij.Cyril Cohen
2020-11-02lemmas for reasoing about "rot n (rot m s)"Christian Doczkal
2020-11-01minimizing variablesCyril Cohen
Co-authored-by: Kazuhiko Sakaguchi <pi8027@gmail.com>
2020-11-01generic interactions between in and onCyril Cohen
+ Taking into account Kazuhiko's remarks Co-authored-by: Kazuhiko Sakaguchi <sakaguchi@coins.tsukuba.ac.jp>
2020-10-30fix ssrnatCyril Cohen
2020-10-30Merge pull request #610 from pi8027/iter-lemmasCyril Cohen
Add new lemmas iterM and iterX in ssrnat
2020-10-29Switch from long suffixes to short suffixesKazuhiko Sakaguchi
2020-10-29Add new lemmas iterM and iterX in ssrnatKazuhiko Sakaguchi
2020-10-12Fixing and documenting the change of meaning of `>=< y`Cyril Cohen
2020-10-12Reorganizing relation between comparability/real and bigCyril Cohen
2020-10-12comparable_big lemma in order.vReynald Affeldt
2020-10-10generalization and shorter proofsCyril Cohen
Co-authored-by: Kazuhiko Sakaguchi <pi8027@gmail.com>
2020-10-09Added results about `mask` and `subseq`Cyril Cohen
2020-10-07Turn class_of records into primitive records and get rid of the xclass idiomKazuhiko Sakaguchi
2020-09-29ssrnat: add subnA, addnCB, addnCAC, addnAl lemmasAnton Trunov
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