Assertion: counterpart's position | /r/CapableOf | conduct empirical investigation
Facets:
value: into the ancestry
type: OTHER
Source sentences:
text: If this is correct, then, when we say ‘There is a possible world in which Russell is a playwright’, it seems that, if our stipulation is to be coherent, we must be at least implicitly stipulating that the possible world is one in which someone with Russell’s actual parents is a playwright, even if the identity of Russell’s parents is unknown to us, and even though we are (obviously) in no position to conduct an empirical investigation into the ancestry, in the possible world, of the individuals who exist there.