(motive : Option Lean.Meta.FunIndInfo → Sort u_1) →
  (__discr : Option Lean.Meta.FunIndInfo) →
    ((unaryFunIndInfo : Lean.Meta.FunIndInfo) → motive (some unaryFunIndInfo)) →
      ((x : Option Lean.Meta.FunIndInfo) → motive x) → motive __discr