Sorensen, Roy A <br/><br/>
Vagueness and contradiction 
Roy Sorensen 
 - Oxford  Clarendon Press ; Oxford University Press  c2001 
 - viii, 200 p. : ill. ; 23 cm 
<br/><br/> Includes bibliographical references (p. [185]-194) and index 
<br/><br/><label>ISBN: </label>9780199241309 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contradiction<br/>Vagueness (Philosophy)
<br/><br/><label>Dewey Class. No.: </label>165 SOR