IsCompact.nhdsSet_prod_eq_biSup

∀ {X : Type u} [inst : TopologicalSpace X] {K : Set X},
  IsCompact K → ∀ {Y : Type u_2} (l : Filter Y), nhdsSet K ×ˢ l = ⨆ x ∈ K, nhds x ×ˢ l

Defined in: Mathlib.Topology.Compactness.Compact
Cited by: 3 results in Mathlib
Foundations: Depth 77 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: TopologicalSpace

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