TY  - BOOK
AU  - Copi,Irving M
AU  - Cohen,Carl
AU  - McMahon,K D
TI  - Introduction to logic
SN  - 9789332539617
AV  - BC108 .C69 2011
PY  - 2011///
CY  - New Jersey
PB  - Pearson Education
KW  - Logic
KW  - Textbooks
N1  - Includes index
ER  -