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[Merged by Bors] - feat(linear_algebra/free_module/finite/rank): remove module.free assumption #18792

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@eric-wieser eric-wieser commented Apr 11, 2023

Combined with the result in #18787, this lets us golf a downstream proof about matrices.


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@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. t-algebra Algebra (groups, rings, fields etc) labels Apr 11, 2023
@github-actions github-actions bot added the modifies-synchronized-file This PR touches a files that has already been ported to mathlib4, and may need a synchronization PR. label Apr 11, 2023
@eric-wieser eric-wieser requested review from riccardobrasca and removed request for riccardobrasca April 11, 2023 22:07
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The linter is complaining (and we're happy about it!), but otherwise LGTM.

bors d+

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bors bot commented Apr 12, 2023

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

@github-actions github-actions bot 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 Apr 12, 2023
@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 Apr 12, 2023
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bors merge

@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 Apr 12, 2023
bors bot pushed a commit that referenced this pull request Apr 12, 2023
…sumption (#18792)

Combined with the result in #18787, this lets us golf a downstream proof about matrices.
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bors bot commented Apr 12, 2023

Pull request successfully merged into master.

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@bors bors bot changed the title feat(linear_algebra/free_module/finite/rank): remove module.free assumption [Merged by Bors] - feat(linear_algebra/free_module/finite/rank): remove module.free assumption Apr 12, 2023
@bors bors bot closed this Apr 12, 2023
@bors bors bot deleted the eric-wieser/finite-rank-of-finite branch April 12, 2023 11:48
Parcly-Taxel added a commit to leanprover-community/mathlib4 that referenced this pull request Apr 12, 2023
eric-wieser pushed a commit to leanprover-community/mathlib4 that referenced this pull request Apr 13, 2023
bors bot pushed a commit to leanprover-community/mathlib4 that referenced this pull request Apr 13, 2023
* `set_theory.cardinal.basic`: forward-ports leanprover-community/mathlib#18781, which backports some ad-hoc changes in #3247 in a more principled way
* `ring_theory.int.basic`: these changes were already forward-ported in #3278, but we forgot the SHA.
* `linear_algebra.dimension`: forward-ports leanprover-community/mathlib#18792
* `linear_algebra.matrix.dot_product`: forward-ports leanprover-community/mathlib#18783
* `linear_algebra.finrank`: forward-ports leanprover-community/mathlib#18794 which is itself a backport of #3378, hence no changes to the file



Co-authored-by: Parcly Taxel <reddeloostw@gmail.com>
Co-authored-by: Eric Wieser <wieser.eric@gmail.com>
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