RegularSpace.of_exists_mem_nhds_isClosed_subset

∀ {X : Type u_1} [inst : TopologicalSpace X],
  (∀ (x : X), ∀ s ∈ nhds x, ∃ t ∈ nhds x, IsClosed t ∧ t ⊆ s) → RegularSpace X

Defined in: Mathlib.Topology.Separation.Regular
Cited by: 0 results in Mathlib
Foundations: Depth 77 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: TopologicalSpace

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