TY  - BOOK
AU  - COPI,I.M.
AU  - COHEN, C.
TI  - Introduction to Logic
SN  - 0029461928
U1  - PHIL 160 
PY  - 1961///
CY  - New York
PB  - Macmillan
KW  - LOGIC
N1  - Includes Index
ER  -