Amazon.com description: Product Description: The papers in this book apply mathematical and logical methods to the description of linguistic structures. Such descriptions are useful for a variety of purposes. For example, they make it easier to design and debug software for dealing with human languages. The purpose of the volume is to introduce a number of new and better methods for describing linguistic structures. The volume contains contributions on the logical foundations of current syntactic theories, as well as on logical methods that lead to new ways of describing syntactic structures.