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Theorems · Theorem · algebraic geometry

AlgebraicGeometry.Proj.basicOpen_eq_iSup_proj

∀ {σ : Type u_1} {A : Type u} [inst : CommRing A] [inst_1 : SetLike σ A] [inst_2 : AddSubgroupClass σ A] (𝒜 : ℕ → σ)
  [inst_3 : GradedRing 𝒜] (f : A),
  AlgebraicGeometry.Proj.basicOpen 𝒜 f = ⨆ i, AlgebraicGeometry.Proj.basicOpen 𝒜 ((GradedRing.proj 𝒜 i) f)
Defined in
Mathlib.AlgebraicGeometry.ProjectiveSpectrum.Basic
Cited by
0 results in Mathlib
Foundations
Depth 151 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommRingSetLikeAddSubgroupClassGradedRing

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