{α : Type u_1} →
  [inst : LinearOrder α] →
    [inst_1 : TopologicalSpace α] →
      [OrderTopology α] →
        {a b : α} → [Fact (a ≤ b)] → {E : Type u_2} → [inst_4 : TopologicalSpace E] → C(C(↑(Set.Icc a b), E), C(α, E))