Full Idea
Where modal propositions may once have seemed to transcend the actual, they now seem only to transcend the concrete.
Gist of Idea
Modal propositions transcend the concrete, but not the actual
Source
Michael Jubien (Analyzing Modality [2007], 4)
Book Reference
'Oxford Studies in Metaphysics vol.3', ed/tr. Zimmerman,Dean W. [OUP 2007], p.122
A Reaction
This is because Jubien has defended a form of platonism. Personally I take modal propositions to be perceptible in the concrete world, by recognising the processes involved, not the mere static stuff.