Theorems · Definition · ring theory

GradedRing.proj

{ι : Type u_1} →
  {A : Type u_3} →
    {σ : Type u_4} →
      [inst : DecidableEq ι] →
        [inst_1 : AddMonoid ι] →
          [inst_2 : Semiring A] →
            [inst_3 : SetLike σ A] → [inst_4 : AddSubmonoidClass σ A] → (𝒜 : ι → σ) → [GradedRing 𝒜] → ι → A →+ A

The projection maps of a graded ring

Defined in

Mathlib.RingTheory.GradedAlgebra.Basic

Cited by

23 results in Mathlib

Foundations

Depth 98 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

DecidableEqAddMonoidSemiringSetLikeAddSubmonoidClassGradedRing