{motive : Mathlib.Tactic.ITauto.Proof → Sort u} →
  (t : Mathlib.Tactic.ITauto.Proof) →
    t.ctorIdx = 5 →
      ((ak : Mathlib.Tactic.ITauto.AndKind) →
          (p : Mathlib.Tactic.ITauto.Proof) → motive (Mathlib.Tactic.ITauto.Proof.andLeft ak p)) →
        motive t