Theorems · Theorem · general topology
nonempty_inter_closedPoints
∀ {X : Type u_1} [inst : TopologicalSpace X] [JacobsonSpace X] {Z : Set X},
Z.Nonempty → IsLocallyClosed Z → (Z ∩ closedPoints X).Nonempty- Defined in
- Mathlib.Topology.JacobsonSpace
- Cited by
- 5 results in Mathlib
- Foundations
- Depth 78 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites7
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement and proof · cited by 53,352
- TopologicalSpacestatement and proof · cited by 24,529
- Set.Nonemptystatement and proof · cited by 2,627
- IsLocallyClosedstatement and proof · cited by 44
- closedPointsstatement · cited by 25
- JacobsonSpacestatement and proof · cited by 20
- jacobsonSpace_iff_locallyClosedproof · cited by 4
Cited by5
Results whose statement or proof uses this declaration.
- isClosed_singleton_of_isLocallyClosed_singletonproof · cited by 3
- JacobsonSpace.of_isOpenEmbeddingproof · cited by 3
- JacobsonSpace.closure_inter_closedPoints_eq_closureproof · cited by 2
- JacobsonSpace.of_isClosedEmbeddingproof · cited by 1