Mathlib Map

Theorems · Definition · group theory

MulHom.copy

{M : Type u_4} → {N : Type u_5} → [inst : Mul M] → [inst_1 : Mul N] → (f : M →ₙ* N) → (f' : M → N) → f' = ⇑f → M →ₙ* N

Copy of a MulHom with a new toFun equal to the old one. Useful to fix definitional equalities.

Defined in
Mathlib.Algebra.Group.Hom.Defs
Cited by
2 results in Mathlib
Foundations
Depth 10 from the axioms · uses no axioms
Assumes
MulMul
Mathlib docsSourceLoogleLeanSearch

Around this declaration

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

MonoidHom.copy · cited by 2MonoidHom.copyNonUnitalRingHom.copy · cited by 2NonUnitalRingHom.copyMulHom.coe_copy · cited by 0MulHom.coe_copyMulHom.coe_copy_eq · cited by 0MulHom.coe_copy_eqDFunLike.coe · cited by 62936DFunLike.coeMulHom · cited by 299MulHomMulHom.copyCITED BYCITES

Cites2

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

  • DFunLike.coestatement and proof · cited by 62,936
  • MulHomstatement and proof · cited by 299

Cited by4

Results whose statement or proof uses this declaration.