 But as Szabó (2000) and Ludlow and Segal (2003) have argued, if we combine quantifier domain restriction with the unified analysis of descriptions, the problem seems more amenable to solution. The idea is the following: What one literally expresses in (38) is that the speaker put a book on a book. Pragmatics helps us to make out that one book in particular is being spoken of, which book that is, and where it is to be moved.