TY  - BOOK
AU  - Copi, Irving M.
AU  - Cohen, Carl
TI  - Introduction to logic
SN  - 81-203-2496-X
U1  - 519.7 
PY  - 2005///
CY  - New Delhi
PB  - Prentice-Hall
KW  - Categorical syllogism
KW  - Fallacies
KW  - Mathematical- Logic
N1  - Includes index; M. R. Books
ER  -