{motive_1 : Lean.Elab.InfoTree → Sort u} →
  (t : Lean.Elab.InfoTree) →
    ((i : Lean.Elab.PartialContextInfo) → (t : Lean.Elab.InfoTree) → motive_1 (Lean.Elab.InfoTree.context i t)) →
      (Nat.hasNotBit 1 t.ctorIdx → motive_1 t) → motive_1 t