Ayer, A. J. <br/><br/>
The central questions of philosophy / 
A.J. Ayer. 
 - London :  Weinfeld & Nicolson,  c1973. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0297766341 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy.