Imperative clauses are recognized as one of the major clause types alongside those known as declarative and interrogative. Nevertheless, they are still an enigma in the study of meaning, which relies largely on either the concept of truth conditions or the concept of information growth neither of which are easily applied to imperatives. This book puts forward a fresh perspective. It analyzes imperatives in terms of modalized propositions, and identifies an additional, presuppositional, meaning component that makes an assertive interpretation inappropriate. The author shows how these two...