Copi, Irving M. <br/><br/>
Symbolic logic / 
Irving M. Copi, 
 - 5th ed.  
 - New Delhi :  PHI Learning Pvt. Ltd.  1979 
 - xiii, 398 p. 
<br/><br/><label>ISBN: </label>9788120309708 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic
<br/><br/><label>Dewey Class. No.: </label>160  / COP