26. Previous refutations further explained.
27. Reply to certain passages produced from Irenaeus. The meaning of Irenaeus.
28. Reply to certain passages produced from Tertullian. The meaning of Tertullian.
29. Anti Trinitarians refuted by ancient Christian writers; e.g., Justin, Hilary. Objections drawn from writings improperly attributed to Ignatius. Conclusion of the whole discussion concerning the Trinity.