Abstract
On the grounds that there are no mereological composites, mereological nihilists deny that ordinary objects (such as tables and chairs) exist. Even if nihilism is true, however, I argue that tables and chairs exist anyway: for I deny that ordinary objects are (identical to) the mereological sums the nihilist rejects. Instead, I argue, ordinary objects have a different nature; they are arrangements, not composites. My argument runs as follows. First, I defend realism about ordinary objects by showing that there is something that plays the role of ordinary objects in perception and discourse, and that ordinary objects are (identical to) whatever plays this role. Next, I argue that it is arrangements that play this role. It follows that ordinary objects exist- even if mereological nihilism is true.
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Notes
Many of these traditional views have modern variants. For a modern version of the bundle theory, see Paul (2006). For a modern take on Aristotelian hylemorphism, see Fine (2003, 2008) and Koslicki (2008). Others advocate newer conceptions. For objects as spacetime nodes, see Schaffer (2009). For discussion of objects as structural relations, see Chakravartty (2003). For objects as conventional constructions, see Sidelle (2010, inter alia). In brief, many candidates for the nature of objects exist, and each requires argument. That being said, I will neither defend nor criticize these particular theories (space forbids a thorough examination); rather, I mention them to establish precedent and a position in conceptual space.
Just as Quine (1948) slid between the name ‘Pegasus’ and the predicate ‘pegasizes’, the analogous move can be made here, mutatis mutandis.
I assume—uncontroversially, I hope—that an instance of e.g., roundness is numerically distinct from the object which is round. Thus, more generally, an instance of a property being spatiotemporally located is distinct from the property-possessor being spatiotemporally located.
Regarding the persistence conditions of arrangements in general, I do not here offer any general theory. For the most part, though, the sortal-governance of persistence conditions can be employed; the sorts of changes a tablewise arrangement can undergo are the very same changes a table might undergo, for example.
Potential energy and gravitational force are perhaps more familiar examples of something’s causal powers depending on its (spatial) relations to other entities.
Cf. Elder (2007), who runs a similar (though more complex) argument against nihilism based on the implausibility of referring to entities—atoms—too small to be perceived.
Put another way: because mereology is supposed to be ontologically neutral—i.e., it is not supposed to matter whether something is composed out of e.g., properties or objects or abstracta—then whether we are talking of composite arrangements or more standard understood composites should not matter here.
It should be noted that Merricks argues for the existence of people on the grounds that they are not causally redundant.
This presentation largely follows Lewis (1993: 64).
For Lewis (1993), supervaluationism is a way to recover in conversational contexts the (super) truth of ‘there is at most one cloud here’. Metaphysically, though, this is no solution, as it remains true (just not supertrue) that there are many clouds.
Paul considers this a kind of bundle theory, but with the familiar mereological notion of fusion replacing the more traditional (and perhaps more obscure) notions of compresence or bundling.
Paul’s view need not be right to work here; instead, what is important is showing that the power of an extant view can be harnessed to do work for the objects-as-arrangements thesis.
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Acknowledgments
Thanks to Cathy Sutton, Matt McGrath, Dan Korman, Tommy Kivatinos, Ben Abelson, and an audience at NYU’s Metaphysics Bootcamp for helpful discussion.
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Goldwater, J.P.B. “No Composition, No Problem: Ordinary Objects as Arrangements”. Philosophia 43, 367–379 (2015). https://doi.org/10.1007/s11406-015-9593-7
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DOI: https://doi.org/10.1007/s11406-015-9593-7