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feat: lemmas about pure for mapM, foldlM, and foldrM #7356

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feat: lemmas about pure for mapM, foldlM, and foldrM #7356

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This PR adds lemmas reducing monadic operations with pure to the non-monadic counterparts.

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feat: lemmas about pure for mapM, foldlM, and foldrM
b49953b 
These are more general cases of the existing lemmas about `Id`.
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changelog-library

@github-actions github-actions bot added the changelog-library Library label Mar 6, 2025
@eric-wieser eric-wieser mentioned this pull request Mar 6, 2025
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@eric-wieser eric-wieser changed the title feat: lemmas about pure for mapM, foldlM, and foldrM feat: lemmas about pure for mapM, foldlM, and foldrM Mar 6, 2025
@eric-wieser eric-wieser marked this pull request as ready for review March 6, 2025 02:15
@github-actions github-actions bot added the toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN label Mar 6, 2025
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Mathlib CI status (docs):

  • ❗ Batteries/Mathlib CI will not be attempted unless your PR branches off the nightly-with-mathlib branch. Try git rebase 9ae2ac39c9512461643e268f0feff5654044776f --onto 5536281238dff2fb4e0a54da472d4f0d6496069e. You can force Mathlib CI using the force-mathlib-ci label. (2025-03-06 02:33:36)

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@digama0 digama0 Awaiting requested review from digama0 digama0 is a code owner

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