Theorems · Definition · ring theory

NonUnitalStarRingHom.copy

{A : Type u_1} →
  {B : Type u_2} →
    [inst : NonUnitalNonAssocSemiring A] →
      [inst_1 : Star A] →
        [inst_2 : NonUnitalNonAssocSemiring B] →
          [inst_3 : Star B] → (f : A →⋆ₙ+* B) → (f' : A → B) → f' = ⇑f → A →⋆ₙ+* B

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

Defined in

Mathlib.Algebra.Star.StarRingHom

Cited by

2 results in Mathlib

Foundations

Depth 15 from the axioms · uses no axioms

Assumes

NonUnitalNonAssocSemiringStarNonUnitalNonAssocSemiringStar