(motive : Lean.Elab.PartialFixpointType → Sort u_1) →
  (x : Lean.Elab.PartialFixpointType) →
    (Unit → motive Lean.Elab.PartialFixpointType.partialFixpoint) →
      (Unit → motive Lean.Elab.PartialFixpointType.coinductiveFixpoint) →
        (Unit → motive Lean.Elab.PartialFixpointType.inductiveFixpoint) → motive x