Mathlib Map

Theorems · Theorem · group theory

MonoidHom.id_comp

∀ {M : Type u_4} {N : Type u_5} [inst : MulOne M] [inst_1 : MulOne N] (f : M →* N), (MonoidHom.id N).comp f = f
Defined in
Mathlib.Algebra.Group.Hom.Defs
Cited by
2 results in Mathlib
Foundations
Depth 14 from the axioms · uses propext, Quot.sound
Assumes
MulOneMulOne
Mathlib docsSourceLoogleLeanSearch

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

IsMulIndecomposable.image_baseOf_inv_comp_eq · cited by 1IsMulIndecomposable.image…MulEquiv.comp_right_injective · cited by 0MulEquiv.comp_right_injec…MonoidHom · cited by 3629MonoidHomMonoidHom.comp · cited by 469MonoidHom.compMonoidHom.id · cited by 323MonoidHom.idMonoidHom.ext · cited by 109MonoidHom.extMulOne · cited by 65MulOneMonoidHom.id_compCITED BYCITES

Cites5

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by2

Results whose statement or proof uses this declaration.