unlike (anomoios) in being. Whereas earlier Arian thinkers had tended to emphasize the apophatic nature of knowledge of God, Aetius and his successor, *Eunomius, insisting on God as ingenerate, seemed to argue that God’s essence was comprehensible by the human mind. By the time of the Council of Constantinople of 381 Arianism was on the wane, with Nicene orthodoxy triumphant. The creed produced by this council (which emphatically endorsed the theology of Nicaea) included a phrase on the Spirit, who
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