Lewis, David. <br/><br/>
Papers in ethics and social philosophy / 
David Lewis. 
 - ix, 255 pages. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0-521-58249-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethics.<br/>Social sciences--Philosophy.