(motive : Mathlib.Tactic.ITauto.IProp → Mathlib.Tactic.ITauto.Proof → Sort u_1) →
  (x : Mathlib.Tactic.ITauto.IProp) →
    (x_1 : Mathlib.Tactic.ITauto.Proof) →
      ((p : Mathlib.Tactic.ITauto.Proof) → motive Mathlib.Tactic.ITauto.IProp.false p) →
        ((x : Mathlib.Tactic.ITauto.IProp) → (p : Mathlib.Tactic.ITauto.Proof) → motive x p) → motive x x_1