Schaffer 2001: 248 and you will Ehring 2011: 76; cf
Spatiotemporal Individuation (SI): For tropes a great and you may b in a way that a just be like b, a ? b iff good was at low-zero length out of b.
This can be a merchant account regarding trope individuation you to definitely generally seems to admiration ways tropes are normally picked out, but really and therefore doesn’t-circularly-individuate tropes with regards to the latest objects they make up-and and therefore does not rule out the current presence of ‘free-floaters.