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Theorems · Definition · group theory

AddHom.subsemigroupComap

{M : Type u_1} →
  {N : Type u_2} →
    [inst : Add M] → [inst_1 : Add N] → (f : M →ₙ+ N) → (N' : AddSubsemigroup N) → ↥(AddSubsemigroup.comap f N') →ₙ+ ↥N'

The AddHom from the preimage of an additive 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
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AddHom.subsemigroupComap_apply_coe · cited by 0AddHom.subsemigroupComap_…DFunLike.coe · cited by 62936DFunLike.coeAddHom · cited by 294AddHomAddSubsemigroup · cited by 262AddSubsemigroupAddSubsemigroup.comap · cited by 39AddSubsemigroup.comapAddHom.subsemigroupComapCITED BYCITES

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Cited by1

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