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Theorems · Theorem · probability

ProbabilityTheory.iIndepFun_infinitePi

∀ {ι : Type u_1} {𝓧 : ι → Type u_3} {m𝓧 : (i : ι) → MeasurableSpace (𝓧 i)} {Ω : ι → Type u_4}
  {mΩ : (i : ι) → MeasurableSpace (Ω i)} {P : (i : ι) → MeasureTheory.Measure (Ω i)}
  [∀ (i : ι), MeasureTheory.IsProbabilityMeasure (P i)] {X : (i : ι) → Ω i → 𝓧 i},
  (∀ (i : ι), Measurable (X i)) →
    ProbabilityTheory.iIndepFun (fun i ω => X i (ω i)) (MeasureTheory.Measure.infinitePi P)

Given random variables X i : Ω i → 𝓧 i, they are independent when viewed as random variables defined on the product space Π i, Ω i.

Defined in
Mathlib.Probability.Independence.InfinitePi
Cited by
3 results in Mathlib
Foundations
Depth 285 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
MeasureTheory.IsProbabilityMeasure

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