Theorems · Theorem · general topology

ContinuousWithinAt.lowerHemicontinuousWithinAt

∀ {α : Type u_1} {β : Type u_2} [inst : TopologicalSpace α] [inst_1 : TopologicalSpace β] {f : α → β} {s : Set α}
  {x : α}, ContinuousWithinAt f s x → LowerHemicontinuousWithinAt (fun x => {f x}) s x

Alias of the reverse direction of lowerHemicontinuousWithinAt_singleton_iff.

Defined in

Mathlib.Topology.Semicontinuity.Hemicontinuity

Cited by

0 results in Mathlib

Foundations

Depth 75 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

TopologicalSpaceTopologicalSpace