Question: "What is Trinitarianism? Is Trinitarianism biblical?"
Answer: Trinitarianism is the teaching that God is triune, that He has revealed Himself in three co-equal and co-eternal Persons. For a detailed biblical presentation of the Trinity, please see our article on what the Bible teaches about the Trinity. The purpose of this article is to discuss the importance of Trinitarianism in regard to salvation and the Christian life.
We are often asked the question, “Do I have to believe in the Trinity to be saved?” The answer is yes and no. Does a person have to fully understand and agree with every aspect of Trinitarianism to be saved? No. Are there some aspects of Trinitarianism that play key roles in salvation? Yes.