Full Idea
My main focus is on how, on an actualist interpretation of possible worlds as ways a world might be, one is to account for the possibility that there be individuals other than those that actually exist.
Gist of Idea
Given actualism, how can there be possible individuals, other than the actual ones?
Source
Robert C. Stalnaker (Mere Possibilities [2012], Pref)
Book Reference
Stalnaker,Robert C.: 'Mere Possibilities' [Princeton 2012], p.-6
A Reaction
The obvious thought would be that they are constructions from components of actual individuals, such as the chimaera, or fictional characters. We need some psychology here, which is not Stalnaker's style.