[Merged by Bors] - feat: add lemma List.getD_map #7307
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BoltonBailey
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semorrison
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Sep 21, 2023
Ok, fixed. I also fixed the nearby uses in the file for consistency. |
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Please mention that in the PR description |
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Thanks! bors merge |
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Adds a lemma, analogous to [Option.getD_map](https://leanprover-community.github.io/mathlib4_docs/Std/Data/Option/Lemmas.html#Option.getD_map), but for `List`. Also fixes a few nearby lemmas to use `induction`/`cases` instead of `induction'`/`cases'` ~~Co-authored-by: GitHub Copilot~~
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Adds a lemma, analogous to Option.getD_map, but for
List.Also fixes a few nearby lemmas to use
induction/casesinstead ofinduction'/cases'Co-authored-by: GitHub Copilot