De Vera, Dennis A. <br/><br/>
A brief guide to symbolic logic 

 - Manila    Grandwater Publishing  2010 
 - iii, 192 p.  Includes bibliography 
<br/><br/><label>ISBN: </label>978-971-94677-7-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, symbolic, and mathematical
<br/><br/><label>Dewey Class. No.: </label>Fil 511.3 D49b