Piñon, Manuel <br/><br/>Logic primer Fr. Manuel Piñon, O.P  - Revised edition  - Manila:  Rex publishing,  1979.  - vi, 239 pages;  21 cm. <br/><br/><label>ISBN: </label>9712314243 <br/><br/><label>Subjects--Topical Terms: </label><br/>1.Logic. I.Title<br/><br/><label>LC Class. No.: </label>BC 39.5  / P65 1979