Gabbay Dov M Ed. <br/><br/>
What is negation? 

 - London  Kluwer Academic Publishers       1999 
 - xi,333p.  cm. 
 - Applied logic series. .
<br/><br/><label>Standard No.: </label>45836 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>R17, N9