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Theorems · Theorem · group theory

MulEquiv.symm_apply_apply

∀ {M : Type u_4} {N : Type u_5} [inst : Mul M] [inst_1 : Mul N] (e : M ≃* N) (x : M), e.symm (e x) = x

e.symm is a left inverse of e, written as e.symm (e y) = y.

Defined in
Mathlib.Algebra.Group.Equiv.Defs
Cited by
17 results in Mathlib
Foundations
Depth 17 from the axioms · uses Quot.sound
Assumes
MulMul

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