TY  - BOOK
AU  - Cornejo,Nigel L.
TI  - Logic: the art of defining and reasoning 
SN  - 9786214060047
PY  - 2015///
CY  - Intramuros, manila
PB  - Mindshapers
KW  - Logic
KW  - study and teaching
N1  - Includes bibliography
ER  -