AlgebraicGeometry.Scheme.Modules.isInvertible_of_forall_exists_isFrameOn
Source context 7 commands
Surrounding namespaces, section variables, and local commands at this declaration.
section ProofImplementation
namespace AlgebraicCurves.Geometry.Sheaves.Proofs.LocalFramesInvertible
universe u
open _root_.CategoryTheory
open _root_.CategoryTheory.MonoidalCategory
open _root_.AlgebraicGeometry
open AlgebraicGeometry AlgebraicGeometry.Scheme.Modules inLean source · statement
theorem _root_.AlgebraicGeometry.Scheme.Modules.isInvertible_of_forall_exists_isFrameOn {X :
AlgebraicGeometry.Scheme.{u}} {M : X.Modules}
(h : ∀ x : X, ∃ (U : X.Opens) (s : Γ(M, U)), x ∈ U ∧
AlgebraicGeometry.Scheme.Modules.IsFrameOn s U) :
AlgebraicGeometry.Scheme.Modules.IsInvertible M