TY  - BOOK
AU  - Copi, Irving M.
TI  - Symbolic logic 
SN  - 9788131702253
U1  - 511.3  
PY  - 1979///
CY  - New York
PB  - Macmillan
KW  - Computer Science
KW  - Creative Technology
KW  - Software Engineering
ER  -