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Theorems · Theorem · measure theory

MeasureTheory.Measure.sum_smul_dirac

∀ {α : Type u_1} [inst : MeasurableSpace α] [Countable α] [MeasurableSingletonClass α] (μ : MeasureTheory.Measure α),
  (MeasureTheory.Measure.sum fun a => μ {a} • MeasureTheory.Measure.dirac a) = μ

A measure on a countable type is a sum of Dirac measures.

Defined in
Mathlib.MeasureTheory.Measure.Dirac
Cited by
3 results in Mathlib
Foundations
Depth 201 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
MeasurableSpaceCountableMeasurableSingletonClass

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Cited by3

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