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[Merged by Bors] - refactor(algebra/group_power): split ring lemmas into a separate file #15032

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@eric-wieser eric-wieser commented Jun 28, 2022

This doesn't actually stop algebra.ring.basic being imported into group_power.basic yet, but it makes it easier to make that change in future. Two ~300 line files are also slightly easier to manage than one ~600 line file, and ring/add_group feels like a natural place to draw the line

All lemmas have just been moved, and none have been renamed. Some lemmas have had their R variables renamed to M to better reflect that they apply to monoids with zero.

By grouping together the monoid_with_zero lemmas from separate files, it become apparent that there's some overlap.
This PR does not attempt to clean this up, in the interest of limiting the the scope of this change to just moves.


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This doesn't actually stop `algebra.ring.basic` being imported into group_power.basic yet, but it makes it easier to make that change in future.
@eric-wieser eric-wieser 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 Jun 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 Jun 28, 2022
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Thanks!

bors merge

bors bot pushed a commit that referenced this pull request Jul 1, 2022
…#15032)

This doesn't actually stop `algebra.ring.basic` being imported into `group_power.basic` yet, but it makes it easier to make that change in future. Two ~300 line files are also slightly easier to manage than one ~600 line file, and ring/add_group feels like a natural place to draw the line

All lemmas have just been moved, and none have been renamed. Some lemmas have had their `R` variables renamed to `M` to better reflect that they apply to monoids with zero.
@github-actions github-actions bot added ready-to-merge All that is left is for bors to build and merge this PR. (Remember you need to say `bors r+`.) and removed awaiting-review The author would like community review of the PR labels Jul 1, 2022
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bors r-

bors r+

(I edited the PR description)

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bors bot commented Jul 1, 2022

Canceled.

bors bot pushed a commit that referenced this pull request Jul 1, 2022
…#15032)

This doesn't actually stop `algebra.ring.basic` being imported into `group_power.basic` yet, but it makes it easier to make that change in future. Two ~300 line files are also slightly easier to manage than one ~600 line file, and ring/add_group feels like a natural place to draw the line

All lemmas have just been moved, and none have been renamed. Some lemmas have had their `R` variables renamed to `M` to better reflect that they apply to monoids with zero.

By grouping together the `monoid_with_zero` lemmas from separate files, it become apparent that there's some overlap.
This PR does not attempt to clean this up, in the interest of limiting the the scope of this change to just moves.
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bors bot commented Jul 1, 2022

Pull request successfully merged into master.

Build succeeded:

@bors bors bot changed the title refactor(algebra/group_power): split ring lemmas into a separate file [Merged by Bors] - refactor(algebra/group_power): split ring lemmas into a separate file Jul 1, 2022
@bors bors bot closed this Jul 1, 2022
@bors bors bot deleted the eric-wieser/split-group_power-basic branch July 1, 2022 10:20
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