Copi, Irving M. <br/><br/>Introduction to logic / Irving M. Copi and Carl Cohen.   -- 10th ed.  -- Singapore:  Prentice-Hall, International, Inc.,  1998.  <br/>v, 714 p. ;  ill.  22 cm.  <br/><br/> Includes index. <br/><br/><label>ISBN: </label>9814009326 <br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.<br/><br/><label>Dewey Class. No.: </label>Res 160 C791 1998