TY  - BOOK
AU  - Packard,Dennis J.
AU  - Faulconer,James E.
TI  - Introduction to logic
SN  - 0442257813
AV  - BC108 .P335 1980
PY  - 1980///]
CY  - New York
PB  - D. Van Nostrand Company
KW  - Logic
N1  - Includes index
ER  -