Theorems · Theorem · general topology
pathConnected_subset_basis
∀ {X : Type u_1} [inst : TopologicalSpace X] {x : X} [LocallyPathConnectedSpace X] {U : Set X},
IsOpen U → x ∈ U → (nhds x).HasBasis (fun s => s ∈ nhds x ∧ IsPathConnected s ∧ s ⊆ U) id- Cited by
- 1 results in Mathlib
- Foundations
- Depth 122 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites11
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
- Filterstatement · cited by 8,121
- nhdsstatement · cited by 5,554
- IsOpenstatement and proof · cited by 2,400
- Filter.HasBasisstatement · cited by 604
- IsOpen.mem_nhdsproof · cited by 470
- IsPathConnectedstatement · cited by 65
- LocallyPathConnectedSpacestatement and proof · cited by 53
- LocallyPathConnectedSpace.path_connected_basisproof · cited by 5
- Filter.HasBasis.hasBasis_self_subsetproof · cited by 3
Cited by1
Results whose statement or proof uses this declaration.
- Topology.IsOpenEmbedding.locallyPathConnectedSpaceproof · cited by 2