Introduction to logic / 
Copi, Irving M. ... [et. all]. 
 - 13th ed. 
 - Delhi :  Prentice Hall,  c 2009 [reprinted 2010]. 
 - xviii, 686 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0136141390 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.<br/>Textbooks
<br/><br/><label>Dewey Class. No.: </label>160  / INT 2010