TY  - BOOK
AU  - Chagrov, A
AU  - Zakharyaschev ,M 
TI  - Modal logic
SN  - 9780198537794
U1  - 510.63 
PY  - 1997///
CY  - Oxford
PB  - OUP
KW  - CLASSICAL LOGIC
KW  - HINTIKKA SYSTEM
KW  - INTERPOLATION
KW  - MODAL ALGEBRA
ER  -