Purified by a Principle? Augustine’s Conversion of Neo-Platonism

In City of God 10.24, as part of his analysis of and argument with Platonism and Neoplatonism, Augustine takes up the question of mediation–who mediates, and how–questions of some moment in previous and contemporary Platonist demonology, which made use of several levels of divine or semi-divine intermediaries in order to bridge the gap between the world of flesh and the world of spirit.