Theorems · Theorem · general topology
connectedComponentIn_mem_nhds
∀ {α : Type u} [inst : TopologicalSpace α] [LocallyConnectedSpace α] {F : Set α} {x : α},
F ∈ nhds x → connectedComponentIn F x ∈ nhds x- Cited by
- 2 results in Mathlib
- Foundations
- Depth 80 from the axioms · uses propext, Classical.choice, Quot.sound
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.
- 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
- IsOpenproof · cited by 2,400
- Filter.HasBasis.mem_iffproof · cited by 193
- IsConnectedproof · cited by 116
- mem_nhds_iffproof · cited by 67
- IsConnected.isPreconnectedproof · cited by 36
- connectedComponentInstatement · cited by 33
- LocallyConnectedSpacestatement and proof · cited by 26
- IsPreconnected.subset_connectedComponentInproof · cited by 6
Cited by2
Results whose statement or proof uses this declaration.
- IsOpen.connectedComponentInproof · cited by 3
- Pi.locallyConnectedSpace_of_finite_not_preconnectedSpaceproof · cited by 1