Full Idea
If the other possible worlds are merely useful fictions, we are left wondering what the truthmakers for all those modal judgements might be.
Gist of Idea
If possible worlds are just fictions, they can't be truthmakers for modal judgements
Source
John Heil (The Universe as We Find It [2012], 08.07)
Book Reference
Heil,John: 'The Universe as We Find It' [OUP 2012], p.169
A Reaction
I suddenly see that this is the train of thought that led me to believe in real powers and dispositions, and which retrospectively led me to love the truthmaker idea. Even real Lewisian worlds don't seem adequate as truthmakers here.
Related Ideas
Idea 18497 Many reject 'moral realism' because they can't see any truthmakers for normative judgements [Heil]
Idea 18498 Abstract objects wouldn't be very popular without the implicit idea of truthmakers [Heil]