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[Merged by Bors] - chore(algebra/big_operators): generalize map_prod to monoid_hom_class #12354

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This PR generalizes the following lemmas to (add_)monoid_hom_class:

  • map_prod, map_sum
  • map_multiset_prod, map_multiset_sum
  • map_list_prod, map_list_sum
  • map_finsupp_prod, map_finsupp_sum

I haven't removed any of the existing specialized, namespaced versions of these lemmas yet, but I have marked them as protected and added a docstring saying to use the generic version instead.


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@Vierkantor Vierkantor added awaiting-review The author would like community review of the PR awaiting-CI The author would like to see what CI has to say before doing more work. labels Feb 28, 2022
@github-actions github-actions bot removed the awaiting-CI The author would like to see what CI has to say before doing more work. label Feb 28, 2022
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bors d+

Some minor nits, but otherwise looks good

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bors bot commented Mar 1, 2022

✌️ Vierkantor can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.

@leanprover-community-bot-assistant leanprover-community-bot-assistant added delegated The PR author may merge after reviewing final suggestions. and removed awaiting-review The author would like community review of the PR labels Mar 1, 2022
Co-authored-by: Eric Wieser <wieser.eric@gmail.com>
Co-authored-by: Eric Wieser <wieser.eric@gmail.com>
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bors merge

bors bot pushed a commit that referenced this pull request Mar 2, 2022
…ass` (#12354)

This PR generalizes the following lemmas to `(add_)monoid_hom_class`:
 * `map_prod`, `map_sum`
 * `map_multiset_prod`, `map_multiset_sum`
 * `map_list_prod`, `map_list_sum`
 * `map_finsupp_prod`, `map_finsupp_sum`

I haven't removed any of the existing specialized, namespaced versions of these lemmas yet, but I have marked them as `protected` and added a docstring saying to use the generic version instead.



Co-authored-by: Anne Baanen <Vierkantor@users.noreply.github.com>
@github-actions github-actions bot added the ready-to-merge All that is left is for bors to build and merge this PR. (Remember you need to say `bors r+`.) label Mar 2, 2022
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bors bot commented Mar 2, 2022

Pull request successfully merged into master.

Build succeeded:

@bors bors bot changed the title chore(algebra/big_operators): generalize map_prod to monoid_hom_class [Merged by Bors] - chore(algebra/big_operators): generalize map_prod to monoid_hom_class Mar 2, 2022
@bors bors bot closed this Mar 2, 2022
@bors bors bot deleted the generic-map_prod branch March 2, 2022 14:31
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3 participants