Koons’ epistemological argument
the PSR is false, we don’t know anything empirical.
know something empirical.
the PSR is true.
Inference to Best Explanation
to Best Explanation (IBE) is a good way to reason.
there is a no-explanation possibility, IBE is not a good way to reason.
there is no no-explanation possibility.
Van Inwagen against PSR
- If p explains q, then q follows
necessarily from p.
necessary truths cannot have contingent explanations. (By 1)
contingent explains a truth that contains it.
the BCCF contains all contingent truth.
BCCF has no contingent explanation. (By 3)
BCCF has no necessary explanation. (By 2)