Indefinites and the Type of Sets explores a new theory of indefinite noun phrase interpretation and definiteness effects. Provides an introduction to aspects of the semantics of noun phrases, as well as comparing alternate theories. Explores a new theory of indefinite noun phrase interpretation and definiteness effects. Written accessibly by one of the world s most prominent formal semanticists. Useful for students and scholars in formal semantics as well as the neighboring fields of syntax, pragmatics, and the philosophy of language.