theology, to encounter with Jewish and Muslim theologians, and finally the exegetical prominence of the Revelation to Moses as players in this pivotal revision of Lombard’s ordering in the Sentences. Much more must be said about the relation of God’s Oneness to the Divine Threeness in its proper place, but here we need only say that the Oneness of God comes under heavy threat in the world that Barth and Rahner have made. What then should Christian theology say about the Oneness of God? And why, after