Copi, Irving M. [at al.]... <br/><br/>
Introduction to logic 

 - 13th ed. 
 - Delhi  Dorling Kindersley  2009 
 - xviii, 686 p. 
<br/><br/><label>ISBN: </label>9788131724231 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy
<br/><br/><label>Dewey Class. No.: </label>R 1517