TY  - BOOK
AU  - Copi,Irving M..
TI  - Symbolic logic / 
SN  - 8120309707
U1  - 511.3 
PY  - 1996///
CY  - New Delhi : 
PB  - Prentice Hall of India , 
KW  - LOGIC, SYMBOLIC
N1  - NULL
ER  -