Copi, Irving M. <br/><br/>
Introduction to logic / 
Irving M. Copi, Carl Cohen. 
 - 13th ed. 
 - Upper Saddle River, N.J. :  Pearson/Prentice Hall,  c2009. 
 - xvii, 670 p. :  ill. ; 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780136141396 0136141390 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic--Textbooks.
<br/><br/><label>Dewey Class. No.: </label>160  / COP