be analysed in considering a set, rather than any specific
attributes of individual members of the set? (This question based on some of
the early parts of John Sowa's Mathematical Background, and makes an
enormous difference to how I can interpret what follows. 

One thing to note about this position is that any piece of space time is an
individual, just as any collection of things is a set. That is different
again from having to be interested in all of them.

The extension of individuals being in space tim