TY  - BOOK
AU  - Roy, Bholanath
TI  - Deductive Logic
U1  - 162 
PY  - 1900///
CY  - Kottayam
PB  - NATIONAL BOOKSTALL
KW  - General Stack
KW  - logic
KW  - Logic, Symbolic and mathematical
KW  - Generalia
ER  -