∀ {α : Type u_6} {β : Type u_7} [inst : Preorder α] [inst_1 : Preorder β] [inst_2 : SizeOf α] [inst_3 : SizeOf β]
  (toFun : α → β) (monotone' : Monotone toFun), sizeOf { toFun := toFun, monotone' := monotone' } = 1