∀ {α : Type u_1} {β : Type u_2} [inst : TopologicalSpace α] [inst_1 : TopologicalSpace β] [inst_2 : AddCommMonoid β]
  [inst_3 : ContinuousAdd β] {γ : Type u_3} {f : γ → C(α, β)} {L : SummationFilter γ},
  Summable f L → ∀ (x : α), Summable (fun i => (f i) x) L