TY  - BOOK
AU  - Copi, Irving M.
AU  - Cohen, Carl
TI  - Introduction to logic
SN  - 9789810697563
U1  - Res 160 C7911 2009 
PY  - 2009///.
CY  - Singapore
PB  - Pearson Education South Asia Pte Ltd.
KW  - Logic
N1  - Includes index
ER  -