∀ {α : Type u} {cmp : α → α → Ordering} {β : Type v} {t : Std.DTreeMap.Raw α (fun x => β) cmp} [Std.TransCmp cmp],
  t.WF → List.Pairwise (fun a b => cmp a.1 b.1 = Ordering.lt) (Std.DTreeMap.Raw.Const.toList t)