TY  - BOOK
AU  - Copi,Irving M.
AU  - Cohen,Carl
TI  - Introduction to logic
SN  - 812032496x
AV  - BC108 .C69 2002
PY  - 2002///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - Logic
KW  - Textbooks
ER  -