Copi, Irving M. <br/><br/>
Symbolic logic / 
Irving M. Copi 
 - 5th ed. 
 - New Delhi :  Prentice-Hall of India,  c1979. 
 - xiii, 398 p. :  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>8120309707 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic<br/>Symbolic and mathematical
<br/><br/><label>LC Class. No.: </label>BC135  / .C58 1979 
<br/><br/><label>Dewey Class. No.: </label>511.3  / C783s