Klenk, Virginia <br/><br/>
Understanding Symbolic Logic 

 - New Jersey  Prentice-hall, Inc.  1983 
 - 466p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>0130607673     100 
<br/><br/><label>Dewey Class. No.: </label>N14  / K677