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IsDedekindFiniteMonoid.of_exists_self_mul_eq_one
Modification history
2025-12-12 12:04
Mathlib/Algebra/Group/Defs.lean
feat(Algebra): define Dedekind-finite monoids (every left inverse is also a right inverse) (#32610) …
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IsDedekindFiniteMonoid.of_exists_self_mul_eq_one
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