Module

geometricallyIntegral_of_forall_isAlgClosed_isIntegral_pullback.lean

Nyll.AlgebraicCurves.Geometry.Curves.geometricallyIntegral_of_forall_isAlgClosed_isIntegral_pullback
1 declaration indexed from sourceView source ↗

geometrically Integral of forall is Alg Closed is Integral pullback

Declarations

AlgebraicGeometry.geometricallyIntegral_of_forall_isAlgClosed_isIntegral_pullback
Source context 4 commands

Surrounding namespaces, section variables, and local commands at this declaration.

section ProofImplementation
namespace AlgebraicCurves.Geometry.Curves.Proofs
namespace geometricallyIntegral_of_forall_isAlgClosed_isIntegral_pullback
open CategoryTheory CategoryTheory.Limits AlgebraicGeometry
theorem _root_.AlgebraicGeometry.geometricallyIntegral_of_forall_isAlgClosed_isIntegral_pullback
    {R : Type} [CommRing R] {X : Scheme.{0}} (f : X ⟶ Spec (CommRingCat.of R)) [LocallyOfFiniteType
      f]
    (hgeo : ∀ (k : Type) [Field k] [IsAlgClosed k] (s : Spec (CommRingCat.of k) ⟶ Spec
      (CommRingCat.of R)),
      AlgebraicGeometry.IsIntegral (pullback f s)) :
    GeometricallyIntegral f