Ayer A  J <br/><br/>
Language truth and logic 

 - Harmonds  worth Penguin Books       1946 
<br/><br/><label>Standard No.: </label>1,282 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>R1, H6-;2-;3 (TTR)