Abstract
Dispositionalism is most often paired with some form of realism about universals, whether moderate or Platonic. However, both historically and in the contemporary literature there have been advocates of nominalist dispositionalism. Here I argue that such a combination is likely to be workable only given the truth of theism. For those already inclined to favor nominalism and dispositionalism, a novel cosmological argument for theism results. Correspondingly, for nominalists already opposed to theism, it provides new reason to oppose dispositionalism, while for dispositionalists opposed to theism it provides new reason to reject nominalism.