Theorems · Theorem · commutative algebra

Ideal.comap_comap

∀ {R : Type u} {S : Type v} [inst : Semiring R] [inst_1 : Semiring S] {T : Type u_3} [inst_2 : Semiring T] {I : Ideal T}
  (f : R →+* S) (g : S →+* T), Ideal.comap f (Ideal.comap g I) = Ideal.comap (g.comp f) I

Defined in

Mathlib.RingTheory.Ideal.Maps

Cited by

27 results in Mathlib

Foundations

Depth 19 from the axioms · uses propext, Quot.sound

Assumes

SemiringSemiringSemiring