Theorems · Theorem · general topology
locPathConnectedSpace_iff_isOpen_pathComponentIn
Deprecated since 2026-06-21Use locallyPathConnectedSpace_iff_isOpen_pathComponentIn instead.
∀ {X : Type u_4} [inst : TopologicalSpace X],
LocallyPathConnectedSpace X ↔ ∀ (x : X) (u : Set X), IsOpen u → IsOpen (pathComponentIn u x)Alias of locallyPathConnectedSpace_iff_isOpen_pathComponentIn.
A space is locally path-connected iff all path components of open subsets are open.
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- 0 results in Mathlib
- Foundations
- Depth 131 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- TopologicalSpace
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Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement · cited by 53,352
- TopologicalSpacestatement · cited by 24,529
- IsOpenstatement · cited by 2,400
- LocallyPathConnectedSpacestatement · cited by 53
- pathComponentInstatement · cited by 19
- locallyPathConnectedSpace_iff_isOpen_pathComponentInproof · cited by 3
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