Kelly, John J.  1940-1995 <br/><br/>
The essence of logic / 
John J. Kelly 
 - New Delhi :  Prentice-Hall of India,  c1997 
 - xiv, 258 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>8120311906 (pbk) :  Rs. 75.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science<br/>Logic, Symbolic and mathematical
<br/><br/><label>Dewey Class. No.: </label>160