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Theorems · Theorem · group theory

AddMonoidHom.restrict_mker

Deprecated since 2026-07-19Use AddMonoidHom.domRestrict_mker instead.

∀ {M : Type u_1} {N : Type u_2} [inst : AddZeroClass M] [inst_1 : AddZeroClass N] (S : AddSubmonoid M) (f : M →+ N),
  AddMonoidHom.mker (f.domRestrict S) = AddSubmonoid.comap S.subtype (AddMonoidHom.mker f)

Alias of AddMonoidHom.domRestrict_mker.

Defined in
Mathlib.Algebra.Group.Submonoid.Operations
Cited by
0 results in Mathlib
Foundations
Depth 18 from the axioms · uses propext, Quot.sound
Assumes
AddZeroClassAddZeroClass

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