Did Paul believe in an equal Trinity?

No. Not if by "equal" you mean "same". If you want an (admittedly poor!) example, 2+2=4, but that is not the "same" as saying 3+1=4. Or that 68-64=4; they all "equal" 4 in quantity and quality--and nature, but not expression. read more

Also, there are key parts of the Trinity which provide better interpretations than just the Father God interpretation. read more

It is no secret that the Christian doctrine of the Trinity as such is not found in the Bible. read more

Understandably, the New Testament would never refer to the Father as "firstborn" because early Christianity considered the Father alone eternal. I Timothy 2: 5 For there is one God and one mediator between God and men, the man Christ Jesus. The fact that Paul clearly distinguishes between God and Jesus places considerable strain on Trinitarianism. read more

Never did he say he was part of the Trinity, or that a person had to believe in the Trinity to be saved. Furthermore, the first century Jews believed that “the Spirit of God” or “the Holy Spirit” was not a separate Person in the Trinity, but was another name for God, just as Yahweh, Elohim, or El Shaddai, were other names for the one true God. read more