{P : Sort u_1} →
  {α : Type u} →
    {β : α → Type v} →
      {cmp : α → α → Ordering} →
        {t : Std.ExtDTreeMap α β cmp} →
          {α' : Type u} →
            {β' : α' → Type v} →
              {cmp' : α' → α' → Ordering} →
                {t' : Std.ExtDTreeMap α' β' cmp'} →
                  α = α' → β ≍ β' → cmp ≍ cmp' → t ≍ t' → Std.ExtDTreeMap.noConfusionType P t t'