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[Merged by Bors] - feat(linear_algebra/free_module/finite/rank): remove module.free
assumption
#18792
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The linter is complaining (and we're happy about it!), but otherwise LGTM. bors d+ |
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feat(linear_algebra/free_module/finite/rank): remove
[Merged by Bors] - feat(linear_algebra/free_module/finite/rank): remove Apr 12, 2023
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* `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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Combined with the result in #18787, this lets us golf a downstream proof about matrices.