∀ {α : Type u_1} {β : Type u_2} {γ : Type u_3} {mα : MeasurableSpace α} {mβ : MeasurableSpace β}
  {mγ : MeasurableSpace γ} [inst : MeasurableSpace.CountablyGenerated γ] {κ : ProbabilityTheory.Kernel α (γ × β)}
  {ν : ProbabilityTheory.Kernel α γ},
  κ.fst ≤ ν →
    ∀ [ProbabilityTheory.IsFiniteKernel ν] (a : α) {s : Set β},
      MeasurableSet s →
        ∀ (A : Set γ),
          Filter.Tendsto (fun i => ∫ (x : γ) in A, κ.densityProcess ν i a x s ∂ν a) Filter.atTop
            (nhds (∫ (x : γ) in A, κ.density ν a x s ∂ν a))