Theorems · Definition · commutative algebra
Ideal.ResidueField
{R : Type u_1} → [inst : CommRing R] → (I : Ideal R) → [I.IsPrime] → Type u_1The residue field at a prime ideal, defined to be the residue field of the local ring
Localization.Prime I.
We also provide an IsFractionRing (R ⧸ I) I.ResidueField instance.
- Cited by
- 119 results in Mathlib
- Foundations
- Depth 72 from the axioms, rests on 1,364 definitions · uses propext, Classical.choice, Quot.sound
- Assumes
- CommRingIdeal.IsPrime
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- CommRingstatement and proof · cited by 17,173
- Idealstatement and proof · cited by 4,748
- Ideal.IsPrimestatement and proof · cited by 827
- Localization.AtPrimeproof · cited by 299
- IsLocalRing.ResidueFieldproof · cited by 156
Cited by147
Results whose statement or proof uses this declaration.
- Ideal.inertiaDegproof · cited by 60
- Ideal.Fiberproof · cited by 40
- Ideal.ResidueField.mapₐstatement and proof · cited by 21
- Ideal.ResidueField.mapstatement · cited by 8
- Algebra.QuasiFinite.transproof · cited by 8
- PrimeSpectrum.preimageEquivFiberstatement and proof · cited by 8
- PrimeSpectrum.primesOverOrderIsoFiberstatement · cited by 8
- Ideal.ResidueField.algHom_extstatement and proof · cited by 7
- Ideal.inertiaDeg_towerproof · cited by 7
- AlgebraicGeometry.Scheme.Spec.residueFieldIsostatement · cited by 7
- Ideal.inertiaDeg_eqstatement · cited by 6
- PrimeSpectrum.preimageHomeomorphFiberstatement · cited by 6