  As is often the case, the choice between all these alternatives—whether holes are to be subjected to Ockham’s razor, reduced to other entities, or taken at face value—will depend on one’s general metaphysical inclinations (Lewis &amp; Lewis 1996). It may also depend on controversial details concerning the nature of space and spacetime, e.g. whether they are relational or substantival (Braddon-Mitchell &amp; Miller 2015). It is, more generally, an instance of the sort of decision philosophers have to make when they scrutinize the ontology inherent in the common-sense picture of the world and the concepts, words, and purposes through which it is described and apprehended. 