Wu, Kathleen <br/><br/>
Discovering formal logic/ 
Kathleen Wu 
 - Connecticut :   The Dushkin Publishing Group, Inc.,   c1994. 
 - xiv, 529 p. :   24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>1-56134-233-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Logic. I. Title
<br/><br/><label>Dewey Class. No.: </label>Circ. 160 W959 1994