Theorems · Theorem · general topology
locallyConnectedSpace_iff_connected_basis
∀ {α : Type u} [inst : TopologicalSpace α],
LocallyConnectedSpace α ↔ ∀ (x : α), (nhds x).HasBasis (fun s => s ∈ nhds x ∧ IsPreconnected s) id- Cited by
- 2 results in Mathlib
- Foundations
- Depth 84 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- TopologicalSpace
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites9
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 and proof · cited by 5,554
- Filter.HasBasisstatement and proof · cited by 604
- IsPreconnectedstatement and proof · cited by 205
- LocallyConnectedSpacestatement · cited by 26
- Filter.hasBasis_selfproof · cited by 17
- locallyConnectedSpace_iff_connected_subsetsproof · cited by 2
Cited by2
Results whose statement or proof uses this declaration.
- locallyConnectedSpace_of_connected_basesproof · cited by 3
- TopologicalSpace.NonemptyCompacts.locallyConnectedSpace_iffproof · cited by 1