Copi, Irving M. <br/><br/>
Introduction to logic 
Irving M. Copi and Carl Cohen 
 - 9th ed. 
 - New Delhi  Prentice-hall of India  1996 
 - 729p.  27cm. 
<br/><br/><label>ISBN: </label> 195 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic<br/>Philosophy
<br/><br/><label>Dewey Class. No.: </label>160  / COP