Copi, Irving M. <br/><br/>
Introduction to logic / 
Irving M. Copi. 
 - New York :  McMillan,  c1961. 
 - 472 pages:  illustrations;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.