Copi, Irving M. <br/><br/>
Introduction to logic / 
Irving M. Copi, Carl Cohen. 
 - 9th ed. 
 - New York :  Toronto :  New York :  Macmillan Pub. ;  Maxwell Macmillan Canada ;  Maxwell Macmillan International,  c1994. 
 - xix, 729 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0023250410 
<br/><br/><label>LCCN: </label>92046378  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>LC Class. No.: </label>BC108  / .C69 1994 
<br/><br/><label>Dewey Class. No.: </label>160