∀ {𝕜 : Type u_1} [inst : NontriviallyNormedField 𝕜] {F : Type u_3} [inst_1 : NormedAddCommGroup F]
  [inst_2 : NormedSpace 𝕜 F] {α : Type u_4} [inst_3 : TopologicalSpace α] [inst_4 : MeasurableSpace α]
  [OpensMeasurableSpace α] [CompleteSpace F] [LocallyCompactSpace 𝕜] [inst_8 : MeasurableSpace 𝕜]
  [OpensMeasurableSpace 𝕜] [SecondCountableTopologyEither α F] {f : α → 𝕜 → F},
  Continuous (Function.uncurry f) →
    ∀ (μ : MeasureTheory.Measure (α × 𝕜)), MeasureTheory.AEStronglyMeasurable (fun p => deriv (f p.1) p.2) μ