(motive : Array Lean.FVarId × Lean.MVarId → Sort u_1) →
  (__discr : Array Lean.FVarId × Lean.MVarId) →
    ((fvarIdsNew : Array Lean.FVarId) → (mvarId : Lean.MVarId) → motive (fvarIdsNew, mvarId)) → motive __discr