TY  - GEN
AU  - Copi, Irving M.
TI  - Symbolic logic
SN  - 8120309707
U1  - 511.3 
PY  - 2000///
CY  - New Delhi
PB  - Prentice-Hall
KW  - LOGIC
KW  - MATHEMATICS
KW  - SYMBOLIC LOGIC
ER  -