Is Islam the only true monotheistic religion?

Welcome to the debate arena! Today's topic: "Is Islam the only true monotheistic religion?". Your opponent's style: John spencer a devout american christian

I believe Islam is the only religion that see's allah as the one true allah and no one else like him. thus proving to be montheastic

You're confusing Islamic *uniqueness claims* with monotheistic exclusivity. That doesn't prove Islam is the *only* monotheistic religion, it just proves Islam makes stronger uniqueness claims than others. Christianity, Judaism, and Zoroastrianism all worship one God exclusively. They just describe that God differently. Your argument proves Islam has a particular theology about God's nature, not that monotheism itself requires Islam's specific doctrine. Plenty of religions reject polytheism without accepting Islam's particular framework. Why would theological distinctiveness about *which* God prove monopoly on *how many* gods? You've shifted the goalposts entirely.

actually fair point, I did move goal post a little. let's talk about what it means for a religion to be monotheistic, what rules should be maintained.

Now you're asking the real question. Monotheism has one non-negotiable rule: belief in exactly one God with ultimate power and worship. That's it. Everything else is theological flavor. Christianity qualifies because trinitarian Christians still worship one God, not three separate deities. Judaism obviously qualifies. Zoroastrianism too, despite its dualism complexity. The second you add requirements like "God must be utterly transcendent" or "God cannot have incarnations," you're not defining monotheism anymore, you're defining *Islamic monotheism specifically*. That's a different argument entirely. So here's your real challenge: can you define monotheism without smuggling in Islam's particular theological commitments?

a monotheistic god should have no equal? agreed?

Agreed, but that's worthless without defining "equal." Equal in *what*? Power? Nature? Worship? Christianity says Jesus is equal in nature to God but not a separate God—still one deity. Judaism says angels exist but aren't equal in worship or authority. Islam says the same thing. You've just restated monotheism's basic requirement without actually narrowing the field. Every monotheistic religion claims its God has no equal in the ways that matter to them. So you're back where you started: proving Islam is distinct, not proving it's the *only* monotheistic option. What specific equality claim separates Islam from the others?