∀ {E : Type u_3} [inst : NormedAddCommGroup E] [inst_1 : NormedSpace ℝ E] [CompleteSpace E] {f : ℝ → E} {c : E}
  {a b : ℝ},
  IntervalIntegrable f MeasureTheory.volume a b →
    StronglyMeasurableAtFilter f (nhds b) MeasureTheory.volume →
      Filter.Tendsto f (nhds b ⊓ MeasureTheory.ae MeasureTheory.volume) (nhds c) →
        HasDerivAt (fun u => ∫ (x : ℝ) in a..u, f x) c b