Philosophy of mathematics :  selected readings / 
edited by Paul Benacerraf, Hilary Putnam. 
 - 2nd ed. 
 - Cambridge :  Cambridge University Press,  1983. 
 - viii, 600 p. ;  23 cm. 
<br/><br/>Includes bibliographical references : p. 571-600. 
<br/><br/><label>ISBN: </label>052129648X (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Philosophy.