TY  - BOOK
AU  - Packard,Dennis J.
AU  - Faulconer,James E.
TI  - Introduction to logic / 
SN  - 0442257813
PY  - 1980///
CY  - Nueva York : 
PB  - D. Van Nostrand
KW  - LÓGICA
N1  - 1: Informal logic.-- 2: Truth.functional logic.-- 3: Monadic logic.-- 4: Quantificational logic.--
5: Quantificational logic with identity and operations.-- 6: Definitions.-- Appendix.-- Index
ER  -