TY  - BOOK
AU  - Copi, Irving M.
TI  - Symbolic logic
SN  - 9788120309708
U1  - 511.3 
PY  - 1998///
CY  - New Delhi
PB  - Prentice Hall
KW  - Mathematics
KW  - Logic, Symbolic and mathematical 	
N2  - 2000-03-22
ER  -