Premise 1: I have beliefs about x. Premise 2: I believe that my beliefs about x are universal. Premise 3: My beliefs about x can only be universal if there is some guarantor that they are universal. --------------------------- Conclusion: There is a guarantor that my beliefs about x are universal. (And this we all call God.)
(Note that this is also Plato's argument [or rather one of them] for the existence of Forms.)
OR
Premise 1a: I have universal beliefs. Premise 2a: If I have universal beliefs, there is a guarantor that I have universal beliefs. ------------------------------ Conclusion 1: There is a guarantor that I have universal beliefs. Premise 1b: If there is a guarantor that I have universal beliefs, then I have universal beliefs. ------------------------------ Conclusion 2: I have universal beliefs.
This last one is called "begging the question."