TY  - BOOK
AU  - Santiago, Alma Salvador
TI  - Logic the art of reasoning
SN  - 9717090254
SN  - ISBN
U1  - GSL 160 S5 2008 C.1 
PY  - 2008///
PB  - Redman  Printing Press
KW  - Logic
KW  - Logic, Symbolic and mathematical
N1  - includes bibliographical reference
ER  -