TY  - BOOK
AU  - COPI,Irving M.
AU  - Cohen, Carl
TI  - Introduction to logic
SN  -  81-203-0942-1
U1  - 160 
PY  - 1996///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - Philosophy
KW  - logic
N1  - Includes index
ER  -