Copi  <br/><br/>
Introduction to logic  
/ Irving M. Copi, Carl Cohen. 
 - 13th ed.. 
 - Upper Saddle River  Pearson/Prentice Hall  2008. 
 - xvii, 670p.  24cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780136141396  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic--Textbooks
<br/><br/><label>Dewey Class. No.: </label>160 COP 2008