It was, he asserts, “a process of trial and error,” error, he specifies elsewhere, not only on the part of the “heretics” but also shared by the “orthodox” too.22 More specifically, this process of trial and error involved a (further) break with the past—with the theology of Irenaeus, Tertullian and Hippolytus—in the elaboration of “a genuinely Christian doctrine of God.”23 This is done, he claims, in “a return to Scripture,” despite what he calls their “inadequate equipment for understanding the
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