TY  - BOOK
AU  - Charles Anthony Ronald Bailey
TI  - Sets and logic 2
T2  - Contemporary school mathematics. Second series
SN  - 0713112956
U1  - 510 B153s 
PY  - 1964///],reprinted 1973
CY  - London
PB  - Edward Arnold
KW  - Set theory.
KW  - Logic
KW  - Symbolic and mathematical
ER  -