TY  - BOOK
AU  - Smith,Karl J.
TI  - Introduction to symbolic logic
T2  - Brooks/cole one-unit series in precalculus mathematics
SN  - 0534149316 (rústica)
AV  - BC135 S57 1991
PY  - 1991///
CY  - Pacific Grove, California
PB  - Brooks/Cole
KW  - Lógica simbólica y matemática
ER  -