∀ {ak : Mathlib.Tactic.ITauto.AndKind} {p₁ p₂ : Mathlib.Tactic.ITauto.Proof} {ak_1 : Mathlib.Tactic.ITauto.AndKind}
  {p₁_1 p₂_1 : Mathlib.Tactic.ITauto.Proof},
  Mathlib.Tactic.ITauto.Proof.andIntro ak p₁ p₂ = Mathlib.Tactic.ITauto.Proof.andIntro ak_1 p₁_1 p₂_1 →
    ak = ak_1 ∧ p₁ = p₁_1 ∧ p₂ = p₂_1