Time travel stories are lots of fun, but they are famously riven with paradoxes. And that can make it hard to enjoy them. If the future influences the past, is it not then past to that past, and so not future at all?
Such apparent paradoxes arise from a misconstruction of causation. They appear when we misconstrue causation by reducing it only to its efficient and material factors. This is the quintessentially Modern error; which is to say, the nominalist error. Efficient and material causation are essentially temporal, which is to say, strictly mundane (cave: so far, at least, as I have yet understood them). But causation is not limited to effect and matter. There are also, of all events, formal and final causes. And these are not temporally pegged; are not materially or efficiently pegged.
Whereas a concrete mundane thing has some spatiotemporal locus – whence arises…
View original post 1,116 more words