Copi, Irving M. <br/><br/>
Introduction to logic / 
Irving M. Copi. 
 - Eleventh edition. 
 - xviii, 647 pages ;  22 cm. 
<br/><br/><label>ISBN: </label>981-247-027-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.