Copi, Irving M. <br/><br/>
Introduction to logic / 
Irving M. Copi and Carl Cohen. 
 - 10th ed. 
 - Delhi :  Pearson,  1998. 
 - xx, 714 p. 
<br/><br/><label>ISBN: </label>8178084864 :  KES 675 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.