Full Idea
If a particular thing is a bundle of located universals, we might say that it is the set of its universals, but this won't work because the thing can be concrete but sets are abstract.
Gist of Idea
Abstract sets of universals can't be bundled to make concrete things
Source
Alex Oliver (The Metaphysics of Properties [1996], §11)
Book Reference
-: 'Mind' [-], p.26
A Reaction
This objection applies just as much to tropes (abstract particulars) as it does to universals.