Packard, Dennis J. <br/><br/>
Introduction to logic / 
Dennis J. Packard and James E. Faulconer. 
 - New York :  D. Van Nostrand Company,  c1980. 
 - xiii, 417 pages :  illustrations ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0442257813 
<br/><br/><label>LCCN: </label>79064449 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.<br/>Reasoning.
<br/><br/><label>LC Class. No.: </label>BC108  / .P22 
<br/><br/><label>Dewey Class. No.: </label>160