TY  - BOOK
AU  - Epstein, Richard L.
TI  - Propositional Logics : The Semantic Foundations of Logic
SN  - 0-534-55847-X
U1  - 160 
PY  - 2001///
CY  - U.S.A
PB  - Wadsworth, a division of Thomson Leaning, Inc 
KW  - Classical Prepositional Logic
ER  -