Copi, Irving M. <br/><br/>
Introduction to logic / 
Irving M. Copi, Carl Cohen. 
 - Eighth Edition 
 - xiv, 569 pages :  illustrations ;  25 cm. 
<br/><br/> Includes index 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0023250356 
<br/><br/><label>LCCN: </label>89037742  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic--Textbooks.
<br/><br/><label>LC Class. No.: </label>BC108  / .C69 1990 
<br/><br/><label>Dewey Class. No.: </label>160