Copi, Irving M. <br/><br/>
Introduction to logic / 
Irving M. Copi, Carl Cohen. 
 - New Delhi:  Prentice-Hall of India,  c1997. 
 - xix, 729 p. : 
<br/><br/><label>ISBN: </label>8120309421 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic
<br/><br/><label>Dewey Class. No.: </label>160  / In,9