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Theorems · Theorem · general topology

locallyPathConnectedSpace_iff_isOpen_pathComponentIn

∀ {X : Type u_4} [inst : TopologicalSpace X],
  LocallyPathConnectedSpace X ↔ ∀ (x : X) (u : Set X), IsOpen u → IsOpen (pathComponentIn u x)

A space is locally path-connected iff all path components of open subsets are open.

Defined in
Mathlib.Topology.Connected.LocallyPathConnected
Cited by
3 results in Mathlib
Foundations
Depth 130 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
TopologicalSpace

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