TY  - BOOK
AU  - Copi Irving M
TI  - Introduction to logic
SN  - 8120309421
U1  - 160 COP 
PY  - 2002///
CY  - New Delhi : 
PB  - Prentice Hall of India, 
N1  - Includes index
UR  - https://www.worldcat.org/title/introduction-to-logic/oclc/314468168&referer=brief_results
ER  -