Ayer,A.J. <br/><br/>
Language,Truth and logic / 
Ayer,A.J. 
 - 1st ed 
 - New york:  Penguin books,  2001. 
 - xviii,200p;23cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0141186046 
<br/><br/><label>Dewey Class. No.: </label>100 AYE