That's fine, but this proposal is based in the assumption that certain conditions are true. A. God is the precondition for your thoughts. A. Well, then that shows that God is the precondition for your thoughts. I don't know. A. Well, the only rational explanation is that God is the precondition for you human experience.
Any alternative is impossible.
I didn't offer an alternative. Sure you did. You just don't realize that you did. Having witnessed many interactions between the presuppositionalist and the non believer, this type of rationale simply isn't compelling.