Copi, Irving M. <br/><br/>
Introduction to logic  
Irving M. Copi, Carl Cohen. 
 - 8th ed. 
 - New York :  London :  Macmillan ;  Collier Macmillan,  c1990. 
 - xiv, 569 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0023250356 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic
<br/><br/><label>Dewey Class. No.: </label>160