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Hardcover | $35.00 Short | £24.95 | ISBN: 9780262013017 | 200 pp. | 6 x 9 in | | July 2009
 
ebook | $24.95 Short | ISBN: 9780262260107 | 200 pp. | 6 x 9 in | | July 2009
 

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Types and Tokens

On Abstract Objects

Overview

There is a widely recognized but infrequently discussed distinction between the spatiotemporal furniture of the world (tokens) and the types of which they are instances. Words come in both types and tokens--for example, there is only one word type ‘the’ but there are numerous tokens of it on this page--as do symphonies, bears, chess games, and many other types of things. In this book, Linda Wetzel examines the distinction between types and tokens and argues that types exist (as abstract objects, since they lack a unique spatiotemporal location). Wetzel demonstrates the ubiquity of references to (and quantifications over) types in science and ordinary language; types have to be reckoned with, and cannot simply be swept under the rug. Wetzel argues that there are such things as types by undermining the epistemological arguments against abstract objects and offering extended original arguments demonstrating the failure of nominalistic attempts to paraphrase away such references to (and quantifications over) types. She then focuses on the relation between types and their tokens, especially for words, showing for the first time that there is nothing that all tokens of a type need have in common other than being tokens of that type. Finally, she considers an often-overlooked problem for realism having to do with types occurring in other types (such as words in a sentence) and proposes an important and original solution, extending her discussion from words and expressions to other types that structurally involve other types (flags and stars and stripes; molecules and atoms; sonatas and notes).

About the Author

Linda Wetzel is Associate Professor in the Department of Philosophy at Georgetown University.

Endorsements

“Clearly and carefully argued, this well-informed and engaging book demonstrates the remarkable extent to which apparent reference to types pervades both everyday talk and scientific writing. Linda Wetzel provides a searching critique of nominalistic efforts to eliminate it in favor of talk about concrete tokens or instances, sets forth the elements of a challenging positive theory which takes types seriously as a distinctive kind of abstract object, and defends it against some major objections. She has made a valuable contribution to an unduly neglected topic.”--Bob Hale, Professor of Philosophy, Director, Graduate Studies, University of Sheffield"—