Copi, Irving M <br/><br/>
Introduction to Logic 

 - 4th ed.  
 - New York  Macmillan Publishing Company  1972 
 - 540p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label> 100 
<br/><br/><label>Dewey Class. No.: </label>N14  / C791