- History of the word "Trinitas" and Tertullian
- The difference between "being" and "person".
- Biblical evidence.
- Modalism (what is it)
- Jesus in three modes
- Why is "oneness" an issue? See 1st Timothy 2:5
For there is one God and one mediator between God and mankind, the man Christ Jesus,
- The split between A.G. (Assemblies of God) and Oneness theology.