By Keith Mathison: 1. The doctrine of the Trinity is one of the most fundamental doctrines in Christianity. The Christian doctrine of God is the doctrine of the Trinity, and the Christian doctrine of God is foundational to every other Christian doctrine. There is no doctrine of Scripture (bibliology) apart from the doctrine of God because Scripture is the Word of God. Human beings are created in the image of God. Sin is rebellion against the law of God. Soteriology is the doctrine having to do with the redemptive work of God. The church is the people of God. Eschatology has to do with the final goals and plans of God. 2. The doctrine of the Trinity was not invented at the Council of Nicaea. There is a popular myth today that the doctrine of the Trinity was invented in the fourth century at the Council of Nicaea. This is not true. In the first centuries of the church, Christians were already teaching the fundamental doctrines
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