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v4
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Theorem
mul_eq_one_iff_eq_inv₀
Modification history
2024-03-19 14:54
Mathlib/Algebra/GroupWithZero/Units/Basic.lean
chore: Move `GroupWithZero` lemmas earlier (#10919) …
Modified
mul_eq_one_iff_eq_inv₀
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2022-12-09 01:07
Mathlib/Algebra/GroupWithZero/Units/Lemmas.lean
feat: port Algebra.GroupWithZero.Units.Lemmas (#920) …
Added
mul_eq_one_iff_eq_inv₀
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