{motive : Lean.Meta.Grind.Order.ProofInfo → Sort u} →
  (t : Lean.Meta.Grind.Order.ProofInfo) →
    ((w : Lean.Meta.Grind.Order.NodeId) →
        (k : Lean.Meta.Grind.Order.Weight) → (proof : Lean.Expr) → motive { w := w, k := k, proof := proof }) →
      motive t