TY  - BOOK
AU  - Clarke,D.S..
TI  - Practical inferences / 
T2  - International library of philosophy, 
SN  - 0710204159
U1  - 160 
PY  - 1985///
CY  - London : 
PB  - Routledge Kegan Paul , 
KW  - INFERENCE(LOGIC)
N1  - Includes bibliography and index
ER  -