TY  - BOOK
AU  - Copi, M Irving
AU  - Copi,M Irving
TI  - Symbolic Logic
SN  - 9788120309708
U1  - 160 
PY  - 2012///
CY  - New Delhi 
PB  - PHI Learning Pvt. Ltd., 
KW  - Logic
N1  - includes index and biblioraphy; Index
ER  -