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Biblical Basis of the Doctrine of the Trinity

The Biblical Basis of the Doctrine of the Trinity

An Outline Study

This outline study presents a biblical case for the doctrine of the Trinity, citing roughly 1,000 references drawn from well over 300 different chapters of the Bible, including references from all 27 books of the New Testament. For an explanation of the method, reasoning, and background of this study, please see the Introduction.


(From here you can jump to any part of the outline, or you can click “Next” at the end of each section and move to the next part.)


I. There is one God.

II. This one God is the single divine being known in the OT as Jehovah or Yahweh (“the LORD”).

III. The Father of our Lord Jesus Christ is God.

IV. The Son, Jesus Christ, is God.

V. The Holy Spirit is God.

VI. The Father, Son, and Holy Spirit are each someone distinct from the other two.

VII. Conclusion: The Bible teaches the Trinity.

VIII. What difference does the doctrine of the Trinity make?


More Publications by Rob Bowman Relating to the Trinity

 Bowman, Robert M., Jr. “Crux Examinatio: Socinus on the Doctrine of the Trinity.” Journal of the International Society of Christian Apologetics 1 (2008): 59-77.

__________. "Triadic New Testament Passages and the Doctrine of the Trinity." Journal for Trinitarian Studies and Apologetics 1 (Jan. 2013): 7-54.

__________. Jehovah’s Witnesses, Jesus Christ, and the Gospel of John. Grand Rapids: Baker, 1989.

__________. “An Open Letter to Gwen Shamblin Regarding the Doctrine of the Trinity.” Birmingham, AL: Watchman Fellowship, 2000. 

__________. Why You Should Believe in the Trinity: An Answer to Jehovah’s Witnesses. Grand Rapids: Baker, 1989.

__________, and J. Ed Komoszewski. Putting Jesus in His Place: The Case for the Deity of Christ. Grand Rapids: Kregel, 2007.