when we refer to the three persons bringing about our redemption, we should always be careful to add that they do so inseparably from one another. This is called “inseparable operations” in theology, made famous by fathers like Gregory of Nyssa.42 One particular person of the Trinity may take on a special or focal role (e.g., the Son becomes incarnate; the Spirit descends at Pentecost). That is called the doctrine of divine “appropriations,” because a specific work or action is appropriated to a particular person of the Trinity.43 Nevertheless, every external work of the Trinity remains
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