TY  - BOOK
AU  - Piñon, Manuel T.
TI  - Fundamental logic.
SN  - 9712313352
AV  - BC 71  .P55 1973
PY  - 1973///
CY  - Manila
PB  - Rex Book Store
KW  - Logic
KW  - sears
N1  - Includes bibliography
ER  -