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Heq. apply (fun_strext_imp_wd _ _ CRasIR) in Heq;\n+    [ | apply R_morphism.map_strext].\n+  repeat (rewrite IRasCRasIR_id in Heq).\n+  exact Heq.\n+- constructor; try apply st_isSetoid.\n+  exact IRasCR_wd.\n+Qed.\n+","path":"reals/fast/CRIR.v","position":26,"original_position":26,"commit_id":"d74adb8672432c37f249e3da253047e4df17ae24","original_commit_id":"d74adb8672432c37f249e3da253047e4df17ae24","user":{"login":"spitters","id":210638,"avatar_url":"https://avatars.githubusercontent.com/u/210638?v=3","gravatar_id":"","url":"https://api.github.com/users/spitters","html_url":"https://github.com/spitters","followers_url":"https://api.github.com/users/spitters/followers","following_url":"https://api.github.com/users/spitters/following{/other_user}","gists_url":"https://api.github.com/users/spitters/gists{/gist_id}","starred_url":"https://api.github.com/users/spitters/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/spitters/subscriptions","organizations_url":"https://api.github.com/users/spitters/orgs","repos_url":"https://api.github.com/users/spitters/repos","events_url":"https://api.github.com/users/spitters/events{/privacy}","received_events_url":"https://api.github.com/users/spitters/received_events","type":"User","site_admin":false},"body":"This will not block the pull, but it should now be possible to use standard notation for e.g. `-`, the notation for `[--]` should be `(only parsing)` until we completely remove it.","created_at":"2015-03-14T18:15:03Z","updated_at":"2015-03-14T18:15:03Z","html_url":"https://github.com/c-corn/corn/pull/17#discussion_r26440125","pull_request_url":"https://api.github.com/repos/c-corn/corn/pulls/17","_links":{"self":{"href":"https://api.github.com/repos/c-corn/corn/pulls/comments/26440125"},"html":{"href":"https://github.com/c-corn/corn/pull/17#discussion_r26440125"},"pull_request":{"href":"https://api.github.com/repos/c-corn/corn/pulls/17"}}},"pull_request":{"url":"https://api.github.com/repos/c-corn/corn/pulls/17","id":27545963,"html_url":"https://github.com/c-corn/corn/pull/17","diff_url":"https://github.com/c-corn/corn/pull/17.diff","patch_url":"https://github.com/c-corn/corn/pull/17.patch","issue_url":"https://api.github.com/repos/c-corn/corn/issues/17","number":17,"state":"open","locked":false,"title":"many lemmas about sin, cos, arctan.","user":{"login":"aa755","id":499314,"avatar_url":"https://avatars.githubusercontent.com/u/499314?v=3","gravatar_id":"","url":"https://api.github.com/users/aa755","html_url":"https://github.com/aa755","followers_url":"https://api.github.com/users/aa755/followers","following_url":"https://api.github.com/users/aa755/following{/other_user}","gists_url":"https://api.github.com/users/aa755/gists{/gist_id}","starred_url":"https://api.github.com/users/aa755/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/aa755/subscriptions","organizations_url":"https://api.github.com/users/aa755/orgs","repos_url":"https://api.github.com/users/aa755/repos","events_url":"https://api.github.com/users/aa755/events{/privacy}","received_events_url":"https://api.github.com/users/aa755/received_events","type":"User","site_admin":false},"body":"1) new lemmas about Cos and Sin of ArcTan (IR) in tranc.MoreArcTan\r\n2) many lemmas about arctan, CRcos and CRsin (in CoRN.reals.fast.CRSinCos). Most of them are analogs of existing lemmas about IR versions.\r\n3) Using typeclasses, added unicode notations for π and ½ in CoRN.reals.fast.CRSinCos. Should this be moved to MatchClasses.interfaces.canonical_names 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