Piñon, Manuel T. <br/><br/>Fundamental logic Fr. Manuel T. Piñon  - Manila:  Rex publishing,  1973.  - xiv, 324 pages;  22 cm. <br/><br/><label>ISBN: </label>9712313352 <br/><br/><label>Subjects--Topical Terms: </label><br/>1.Logic, I.Title<br/><br/><label>LC Class. No.: </label>BC 39.5  / P65