TY  - BOOK
AU  - Grayling, A C
AU  - Grayling,A C
TI  - An Introduction to Philosophical Logic
SN  - 0631199829   
U1  - N13 
PY  - 2001///
CY  - Oxford
PB  - Blackwell Publishers
N1  - includes index and biblioraphy
ER  -