TY  - BOOK
AU  - Boole,George
TI  - An investigation of the laws of thought : on which are founded the mathematical theories of logic and probabilities / 
SN  - 0486600289
U1  - 160 
PY  - 1958///
CY  - New York : 
PB  - Dover Publications , 
KW  - LOGIC
N1  - NULL
ER  -