Theorems · Theorem · ring theory

NonUnitalStarRingHom.comp_assoc

∀ {A : Type u_1} {B : Type u_2} {C : Type u_3} {D : Type u_4} [inst : NonUnitalNonAssocSemiring A] [inst_1 : Star A]
  [inst_2 : NonUnitalNonAssocSemiring B] [inst_3 : Star B] [inst_4 : NonUnitalNonAssocSemiring C] [inst_5 : Star C]
  [inst_6 : NonUnitalNonAssocSemiring D] [inst_7 : Star D] (f : C →⋆ₙ+* D) (g : B →⋆ₙ+* C) (h : A →⋆ₙ+* B),
  (f.comp g).comp h = f.comp (g.comp h)

Defined in

Mathlib.Algebra.Star.StarRingHom

Cited by

0 results in Mathlib

Foundations

Depth 18 from the axioms · uses propext, Quot.sound

Assumes

NonUnitalNonAssocSemiringStarNonUnitalNonAssocSemiringStarNonUnitalNonAssocSemiringStarNonUnitalNonAssocSemiringStar