{motive : Lean.Elab.Term.Op.BinOpKind✝ → Sort u} →
  (t : Lean.Elab.Term.Op.BinOpKind✝¹) →
    motive Lean.Elab.Term.Op.BinOpKind.regular✝ →
      motive Lean.Elab.Term.Op.BinOpKind.lazy✝ →
        motive Lean.Elab.Term.Op.BinOpKind.leftact✝ → motive Lean.Elab.Term.Op.BinOpKind.rightact✝ → motive t