∀ {α : Type u_1} [inst : Semiring α] [inst_1 : LinearOrder α] [IsStrictOrderedRing α] [Nontrivial α] {a b : α}
  {na nb da db : ℕ},
  Mathlib.Meta.NormNum.IsNNRat a na da →
    Mathlib.Meta.NormNum.IsNNRat b nb db → decide (na * db < nb * da) = true → a < b