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Theorems · Definition · group theory

MulHom.subsemigroupComap

{M : Type u_1} →
  {N : Type u_2} →
    [inst : Mul M] → [inst_1 : Mul N] → (f : M →ₙ* N) → (N' : Subsemigroup N) → ↥(Subsemigroup.comap f N') →ₙ* ↥N'

The MulHom from the preimage of a subsemigroup to itself.

Defined in
Mathlib.Algebra.Group.Subsemigroup.Operations
Cited by
1 results in Mathlib
Foundations
Depth 15 from the axioms · uses no axioms
Assumes
MulMul
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Around this declaration

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MulHom.subsemigroupComap_apply_coe · cited by 0MulHom.subsemigroupComap_…DFunLike.coe · cited by 62936DFunLike.coeSubsemigroup · cited by 323SubsemigroupMulHom · cited by 299MulHomSubsemigroup.comap · cited by 39Subsemigroup.comapMulHom.subsemigroupComapCITED BYCITES

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Cited by1

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