isClosed_iSup_iff

∀ {α : Type u} {ι : Sort v} {t : ι → TopologicalSpace α} {s : Set α}, IsClosed s ↔ ∀ (i : ι), IsClosed s

Defined in: Mathlib.Topology.Order
Cited by: 1 results in Mathlib
Foundations: Depth 67 from the axioms · uses propext, Classical.choice, Quot.sound

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