TY  - BOOK
AU  - Copi Irving M.
AU  -  Cohen Carl
AU  -  McMahon Kenneth
TI  - Introduction to logic
SN  - 9789332518971 (pbk)
U1  - R1, Q2 
PY  - 2015///
CY  - Noida
PB  - Pearson Education India     
KW  - PHILOSOPHY
ER  -