Copi, Irving M. <br/><br/>
Intoduction to logic 
Irving M. Copi and Carl Cohen 
 - 11th 
 - Delhi  Pearson Education  2004 
 - xxi,647p. ;25 cm. 
<br/><br/><label>ISBN: </label>81-7808-966-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy-logic
<br/><br/><label>Dewey Class. No.: </label>160  / COP