R0Space.closure_singleton

∀ {X : Type u_1} [inst : TopologicalSpace X] [R0Space X] (x : X), closure {x} = (nhds x).ker

Defined in: Mathlib.Topology.Separation.Basic
Cited by: 2 results in Mathlib
Foundations: Depth 78 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: TopologicalSpace R0Space

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