Gabe, thanks for elaborating. I resonate with most of your thoughts, and in reflecting, think you’re right in you central thesis that all in the realm of faith and the metaphysical involves speculation and faith. As one quite unorthodox, I sympathize with your skepticism about historical and metaphysical claims…
I think when the discussion on whether it’s coherent to hold that future choices remain free and undetermined, yet are already events that can be accessed and known (by God) focused on linguistic syllogisms confirming a yes, it sounded as if such beliefs could be known, when I sensed that such ideas just remained deeply speculative. So the present recognition that a range of such ideas remains unknowable and in the realm of faith suits me.
I think which notions about claims that we can’t directly check out seem most convincing and reasonable will vary among bright people like us. E.g. Lancia may sincerely see affirming that free will and omniscience are compatible is far more convincing that I perceive it to be. But then I may find propositions believable that he or you would only smile at.
On whether metaphysically miraculous events have or do happen, and if so, which claims are most convincing to a given individual, perceptions of equally intelligent people are bound to differ. My sense is that evaluating the historical evidence, credibility of witnesses, etc is relevant to seeking a reasonable faith, but that more individual subjective experience and beliefs that one may sense intuitively enter into which beliefs and faith we each find most reasonable or convincing.
FWIW, my apologetic for believing something about Jesus (and even his resurrection) may practically illustrate how that crazy combination seems to function for me: Reasons to Follow Jesus - An Apologetic