Ayer, A. J. <br/><br/>
Problem of knowledge  enquiry into the main philosophical problems that enter into the theory of knowledge 

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 - Middlesex  Penguin Books  1956 
 - 224 p. 
 -   .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>121  / A976