Agapay, Ramon B.  <br/><br/>Logic:  the essentials of deductive reasoning Ramon B. Agapay.  -- 2nd ed.  -- Mandaluyong City:  National Book Store,  2007.  <br/>v, 180 p. ;  23 cm.   -- Logic: the essentials of deductive reasoning . - Agapay, Ramon B.  .<br/><br/> Includes bibliographical references.  <br/><br/><label>ISBN: </label>971-088-857-8 <br/><br/><label>Subjects--Topical Terms: </label><br/>Logic. <br/><br/><label>Dewey Class. No.: </label>Fil 160 Ag14 2007