Keelefilosoofia raamat
row scope; in the terminology of chapter 2, that is a "secondary" occurrence
with respect to "It is possible that." What if the relevant description has wide
scope? Then our original question is synonymous, not with (9), but with
(10) One and only one person won the 1968 election, and, concerning
whoever won the 1968 election, is it possible that that person lost?
(10) is clumsy; also, there are other, irrelevant disambiguations of our
question due to the fact that the interrogative operator itself has scope, so let
me make the point more simply using just the indicative versions of the two
readings. The sentence
(11) It is possible for Richard Nixon to have lost the 1968 election,
presuming that "Richard Nixon" is equivalent to "the winner of the 1968
election," is ambiguous as between the narrow-scope reading
Possible: (x)(Wx & (y) (Wy y = x) & (z) (Wz ~Wz))