{α : Type u_1} →
  {β : Type u_2} →
    {rα : α → α → Prop} →
      {rβ : β → β → Prop} →
        {C : α → β → Sort u_3} →
          WellFounded rα →
            WellFounded rβ →
              ((a₁ : α) → (b₁ : β) → ((a₂ : α) → (b₂ : β) → Prod.GameAdd rα rβ (a₂, b₂) (a₁, b₁) → C a₂ b₂) → C a₁ b₁) →
                (a : α) → (b : β) → C a b