TY  - BOOK
AU  - Packard,Dennis J.
AU  - Faulconer,James E.
TI  - Introduction to logic / 
SN  - 0442257813
PY  - 1980///
CY  - New York
PB  - Van Nostrand
KW  - TRUTH-FUNCTIONAL LOGIC
KW  - MONADIC LOGIC
KW  - QUANTIFICATIONAL LOGIC
KW  - LOGIC
ER  -