TY  - BOOK
AU  - Smullyan, Raymond M
TI  - First-Order Logic
SN  - 9780486683706
U1  - 511.3 
PY  - 1995///
CY  - New York
PB  - Dover Publication, Inc.
KW  - Gentzen Systems - Magic Sets
KW  - Systems of Linear Reasoning
ER  -