AlgebraicGeometry.specZGenericResidueFieldEquivQ
The generic residue field of the ordinary spectrum of the integers is canonically isomorphic to the rationals.
Source context 3 commands
Surrounding namespaces, section variables, and local commands at this declaration.
noncomputable section
open CategoryTheory TopologicalSpace
namespace AlgebraicGeometryLean source · statement
def specZGenericResidueFieldEquivQ :
(Spec (CommRingCat.of ℤ)).residueField
(genericPoint (Spec (CommRingCat.of ℤ))) ≃+* ℚ