• The Laws of Logic Hold Universally
• Jesus' claims about Himself are true
• The Classical Christian faith is true
• The Bible is authoritative

• The Trinity itself is self-consistent
• Trinity best represents all of the evidence and facts we have about God
• If the above is true, Essential Trinitarianism is true

∴ Essential Trinitarianism is true

• There is one God
• The Father is God
• The Son is God
• The Spirit is God
• x the Father is the Son
• x the Son is the Spirit
• The Spirit is not the Father

Essential Trinitarianism is true

What assumptions are needed here? The inerrancy of the Bible is helpful, but is it necessary to even hold the conversation?