TY  - BOOK
AU  - Copi,Irving M.
AU  - Cohen,Carl
TI  - Introduction to logic
SN  - 9788120324961
AV  - BC108 .C69 2002
U1  - 160 21
PY  - 2002///
CY  - New Delhi
PB  - Prentice Hall
KW  - Logic
KW  - Textbooks
N1  - Includes bibliographical references and index
ER  -