Cornejo, Nigel L. <br/><br/>
Logic :  the art of defining and reasoning / 
Nigel L. Cornejo. 
 - Intramuros, manila :  Mindshapers,  c.2015. 
 - 298p.;26cm. 
<br/><br/> Includes bibliography 
<br/><br/><label>ISBN: </label>9786214060047 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic--study and teaching