∀ {α : Type u_1} {β : Type u_2} {γ : Type u_3} [inst : Preorder α] [inst_1 : Preorder β] [inst_2 : Preorder γ]
  {f : α → β} {g : β → γ}, ScottContinuous f → ScottContinuous g → ScottContinuous (g ∘ f)