TY  - BOOK
AU  - Lemmon,E.J.
TI  - Beginning logic
SN  - 0915144506
AV  - QA9.3 .L45
PY  - 1978///
CY  - Indianapolis
PB  - Hackett Pub. Co.
KW  - Propositional calculus
KW  - Predicate calculus
N1  - Includes index
UR  - https://www.loc.gov/catdir/enhancements/fy1616/78051926-d.html
ER  -