discreteTopology_iff_singleton_mem_nhds

∀ {α : Type u_1} [inst : TopologicalSpace α], DiscreteTopology α ↔ ∀ (x : α), {x} ∈ nhds x

Defined in: Mathlib.Topology.Order
Cited by: 3 results in Mathlib
Foundations: Depth 68 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: TopologicalSpace

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