Copi, Irving M. <br/><br/>
Inroduction to logic 

 - 9th. 
 - New Delhi  Prentice Hall  1994 
 - xx, 730p.  24cm. 
<br/><br/><label>ISBN: </label>8120309421 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LOGIC
<br/><br/><label>Dewey Class. No.: </label>160  / COP