Cruz, Corazon L. <br/><br/>
Introduction to logic /  
Corazon L. Cruz. 
 - 4th edition. 
 - Mandaluyong City :   National Book Store,   ©2008. 
 - xii, 363 pages ;  22 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic--Study and teaching.
<br/><br/><label>LC Class. No.: </label>BC101  / .C889 2008