Kelly, John    <br/><br/>
The essence of logic /  
John Kelly    
 - London :  Prentice Hll,   1996.    
 - xiv, 256p.;   24 cm.    
<br/><br/><label>ISBN: </label>0133963756    
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science