TY  - BOOK
AU  - Ayer,A J.
TI  - Philosophy in the twentieth century / 
SN  - 0041000447
U1  - 190.904 
PY  - 1987///
CY  - London : 
PB  - Unwin Paperbacks , 
KW  - PHILOSOPHY-MODERN
N1  - Includes index
ER  -