Copi, Irving M. <br/><br/>
Introduction to LOGIC / 
by Irving M. Copi. 
 - 2nd edition. 
 - New York :  The Macmillan Company,  1961. 
 - xviii, 512 p. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>LCCN: </label>61-5202 
<br/><br/><label>Dewey Class. No.: </label>160 Cop 1961