TY  - BOOK
AU  - Hanna,Samuel C.
AU  - Saber,John C.
TI  - Sets and logic
AV  - QA248 H366S
PY  - 1971///
CY  - Homewood, Ill.
PB  - Irwin
KW  - SET THEORY
KW  - LOGIC, SYMBOLIC AND MATHEMATICAL
ER  -