The possibilist maintains that what actually exists is a proper subset of what exists. So, while nothing in the domain of the actual world could have been Portman and Bush's child, there are things in the most inclusive domain of quantification, which includes merely possible individuals, that are parented by Portman and Bush in some possible worlds. On Plantinga's view, there is an uninstantiated individual essence that could have been instantiated and, had it been instantiated, it would have b