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Theorems · Theorem · measure theory

MeasureTheory.Lp.boundedContinuousFunction_topologicalClosure

∀ {α : Type u_1} [inst : TopologicalSpace α] [NormalSpace α] [inst_2 : MeasurableSpace α] [inst_3 : BorelSpace α]
  (E : Type u_2) [inst_4 : NormedAddCommGroup E] (μ : MeasureTheory.Measure α) {p : ENNReal} [NormedSpace ℝ E]
  [inst_6 : SecondCountableTopologyEither α E] [inst_7 : Fact (1 ≤ p)],
  p ≠ ⊤ → ∀ [μ.WeaklyRegular], (MeasureTheory.Lp.boundedContinuousFunction E p μ).topologicalClosure = ⊤

A function in Lp can be approximated in Lp by continuous functions.

Defined in
Mathlib.MeasureTheory.Function.ContinuousMapDense
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Foundations
Depth 232 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
TopologicalSpaceNormalSpaceMeasurableSpaceBorelSpaceNormedAddCommGroupNormedSpaceSecondCountableTopologyEitherFactMeasureTheory.Measure.WeaklyRegular

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