Copi , Irving <br/><br/>
Introduction to logic 
Irving M. Copi , Carl Cohen 
 - 11th 
 - Delhi  Pearson Education (Singapore)  2004 
 - xxi ,647 
<br/><br/> Includes Index 
<br/><br/><label>ISBN: </label>8178089661 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic ,Resoning
<br/><br/><label>Dewey Class. No.: </label>160  / COP P4