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v3
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Theorem
mul_equiv.ext_iff
Modification history
2022-01-31 22:22
src/data/equiv/mul_add.lean
feat(data/equiv): define `mul_equiv_class` (#10760) …
Modified
mul_equiv.ext_iff
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2020-12-14 13:16
src/data/equiv/mul_add.lean
feat(data/equiv): Add `congr_arg`, `congr_fun`, and `ext_iff` lemmas to equivs (#5367) …
Added
mul_equiv.ext_iff
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