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Theorems · Definition · group theory

Submonoid.leftInvEquiv

{M : Type u_1} → [inst : CommMonoid M] → (S : Submonoid M) → S ≤ IsUnit.submonoid M → ↥S.leftInv ≃* ↥S

The submonoid of pointwise inverse of S is MulEquiv to S.

Defined in
Mathlib.GroupTheory.Submonoid.Inverses
Cited by
9 results in Mathlib
Foundations
Depth 31 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommMonoid

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