TY  - BOOK
AU  - COPI,I.M.
AU  - COHEN,C.
TI  - Introduction to logic
SN  - 9788120324961
U1  - PHIL 160 
PY  - 2002///
CY  - New Delhi
PB  - Prentice-Hall
KW  - LOGIC
N1  - Contains glossary/Index
ER  -