∀ (𝕜 : Type u_1) [inst : NontriviallyNormedField 𝕜] {E : Type u_2} [inst_1 : NormedAddCommGroup E]
  [inst_2 : NormedSpace 𝕜 E] [LocallyCompactSpace E] {F : Type u_3} [inst_4 : NormedAddCommGroup F]
  [inst_5 : NormedSpace 𝕜 F] {α : Type u_4} [inst_6 : TopologicalSpace α] {f : α → E → F} [inst_7 : MeasurableSpace α]
  [OpensMeasurableSpace α] [inst_9 : MeasurableSpace E] [OpensMeasurableSpace E] [CompleteSpace F]
  [inst_12 : MeasurableSpace F] [BorelSpace F],
  Continuous (Function.uncurry f) → ∀ (y : E), Measurable fun p => (fderiv 𝕜 (f p.1) p.2) y