Klenk, Virginia  . <br/><br/>
Understanding symbolic logic /  
by Virginia  Klenk. 
 - 2nd ed /   . 
 - New Jersey :   Prentice Hall ,   1989. 
 - xiv, 433p. :   tables, diagrams ;   23cm  1 CD .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0139427643  USD 30.50 
<br/><br/><label>Subjects--Index Terms: </label>LOGIC 
<br/><br/><label>Dewey Class. No.: </label>160  / KLE/U