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Theorems · Theorem · algebraic geometry

Algebra.IsSmoothAt.exists_notMem_smooth

∀ (R : Type u_1) {A : Type u_2} [inst : CommRing R] [inst_1 : CommRing A] [inst_2 : Algebra R A]
  [Algebra.FinitePresentation R A] (p : Ideal A) [inst_4 : p.IsPrime] [Algebra.IsSmoothAt R p],
  ∃ f ∉ p, Algebra.Smooth R (Localization.Away f)
Defined in
Mathlib.RingTheory.Smooth.Locus
Cited by
2 results in Mathlib
Foundations
Depth 138 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommRingCommRingAlgebraAlgebra.FinitePresentationIdeal.IsPrimeAlgebra.IsSmoothAt

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