CantorBendixson.perfectKernel_subset_iteratedDerivedSet

∀ {X : Type u} [inst : TopologicalSpace X] (s : Set X) (a : Ordinal.{u}),
  CantorBendixson.perfectKernel s ⊆ CantorBendixson.iteratedDerivedSet s a

Defined in: Mathlib.Topology.CantorBendixson
Cited by: 2 results in Mathlib
Foundations: Depth 64 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: TopologicalSpace

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