Thus only singular propositions are of subject-predicate form, and they are irreducibly singular, i . e . not reducible to a general proposition.
2.
The two sentences do not differ in their contents, the singular proposition expressed by the statement that Superman / Clark Kent is a wimp, but by some implicitly referred to way of taking the proposition.
3.
In his autobiography Jefferson wrote " [ When ] the [ Virginia ] bill for establishing religious freedom . . . was finally passed, . . . a singular proposition proved that its protection of opinion was meant to be universal.