TY  - BOOK
AU  - Copi,Irving M.
AU  - Cohen,Carl
AU  - Mahon,Kenneth Mc
TI  - Introduction to logic
U1  - 160 
PY  - 2009///
CY  - Delhi
PB  - Pearson
KW  - Philosophy
KW  - Logic
N1  - Includes glossary and index
ER  -