∀ {Ω : Type u_1} {ι : Type u_2} {m' mΩ : MeasurableSpace Ω} [inst : StandardBorelSpace Ω] {hm' : m' ≤ mΩ}
  {μ : MeasureTheory.Measure Ω} [inst_1 : MeasureTheory.IsFiniteMeasure μ] {β : ι → Type u_5}
  {m : (i : ι) → MeasurableSpace (β i)} {f : (i : ι) → Ω → β i} [Subsingleton ι],
  ProbabilityTheory.iCondIndepFun m' hm' f μ = True