AlgebraicCurves.Foundations.CommutativeAlgebra.Proofs.IsRegularLocalRing_uniqueFactorizationMonoid_of_ringKrullDim_le_two.AB2UFD.isPrincipalIdealRing_of_spanFinrank_eq_one
Source context 5 commands
Surrounding namespaces, section variables, and local commands at this declaration.
section ProofImplementation
namespace AlgebraicCurves.Foundations.CommutativeAlgebra.Proofs
namespace IsRegularLocalRing_uniqueFactorizationMonoid_of_ringKrullDim_le_two
open IsLocalRing
namespace AB2UFDLean source · statement
theorem isPrincipalIdealRing_of_spanFinrank_eq_one (S : Type*) [CommRing S] [IsRegularLocalRing S]
(h : Submodule.spanFinrank (maximalIdeal S) = 1) : IsPrincipalIdealRing S