[Merged by Bors] - feat: isCoprime_mul_units_left, isCoprime_mul_units_right
#19133
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PR summary 57594724f1Import changes for modified filesNo significant changes to the import graph Import changes for all files
Declarations diff
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There are two things that I can do further (but not sure if it worths to do):
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Co-authored-by: Ruben Van de Velde <[email protected]>
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| theorem isCoprime_mul_unit_left (hu : IsUnit x) (y z : R) : | ||
| IsCoprime (x * y) (x * z) ↔ IsCoprime y z := | ||
| isCoprime_mul_units_left hu hu _ _ | ||
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| theorem isCoprime_mul_unit_right (hu : IsUnit x) (y z : R) : | ||
| IsCoprime (y * x) (z * x) ↔ IsCoprime y z := | ||
| (isCoprime_mul_unit_right_left hu y (z * x)).trans (isCoprime_mul_unit_right_right hu y z) | ||
| isCoprime_mul_units_right hu hu _ _ |
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Would it be better to remove these two lemmas and add deprecated aliases pointing to your lemmas?
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No, I don't think so
Ruben-VandeVelde
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Dec 2, 2024
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| theorem isCoprime_mul_unit_left (hu : IsUnit x) (y z : R) : | ||
| IsCoprime (x * y) (x * z) ↔ IsCoprime y z := | ||
| isCoprime_mul_units_left hu hu _ _ | ||
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| theorem isCoprime_mul_unit_right (hu : IsUnit x) (y z : R) : | ||
| IsCoprime (y * x) (z * x) ↔ IsCoprime y z := | ||
| (isCoprime_mul_unit_right_left hu y (z * x)).trans (isCoprime_mul_unit_right_right hu y z) | ||
| isCoprime_mul_units_right hu hu _ _ |
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No, I don't think so
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🚀 Pull request has been placed on the maintainer queue by Ruben-VandeVelde. |
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Co-authored-by: Seewoo Lee <[email protected]>
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Pull request successfully merged into master. Build succeeded: |
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isCoprime_mul_units_left, isCoprime_mul_units_rightisCoprime_mul_units_left, isCoprime_mul_units_right
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isCoprime_mul_units_leftandisCoprime_mul_units_right. These are slight generalizations of same unit versionisCoprime_mul_unit_leftandisCoprime_mul_unit_right. Currently exists as a lemma in #18882.