TY  - BOOK
AU  - Copi, Irving M. 
TI  - Symbolic logic
SN  - 9789332549272
U1  - 511.3 COP 
PY  - 2016///
CY  - New Delhi
PB  - Pearson India Education Services Pvt. Ltd.
KW  - Mathematical logic
KW  - Symbolic logic
ER  -