Mathlib Map

Theorems · Theorem · ring theory

IsDiscreteValuationRing.isOpen_iff

∀ {R : Type u_1} [inst : CommRing R] [inst_1 : TopologicalSpace R] [IsTopologicalRing R] [CompactSpace R] [T2Space R]
  [inst_5 : IsDomain R] [IsDiscreteValuationRing R] {I : Ideal R}, IsOpen ↑I ↔ I ≠ ⊥
Defined in
Mathlib.Topology.Algebra.Ring.Compact
Cited by
0 results in Mathlib
Foundations
Depth 156 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommRingTopologicalSpaceIsTopologicalRingCompactSpaceT2SpaceIsDomainIsDiscreteValuationRing

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites13

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by0

Results whose statement or proof uses this declaration.

Nothing cites this yet.