Full Idea
The important advantage of 'truth supervenes on being' is that it can be applied to positive and negative contingent truths, without postulating any entities that are responsible for the truth of negative truths.
Gist of Idea
'Truth supervenes on being' avoids entities as truth-makers for negative truths
Source
Adolph Rami (Introduction: Truth and Truth-Making [2009], 09)
Book Reference
'Truth and Truth-Making', ed/tr. Lowe,E.J./Rami,A. [Acumen 2009], p.29
A Reaction
[For this reason, Lewis favours a possible worlds version of the theory] I fear that it solves that problem by making the truth-maker theory so broad-brush that it not longer says very much, apart from committing it to naturalism.