TY  - BOOK
AU  - Copi,Irving M.
AU  - Cohen,Carl
TI  - Introduction to logic
SN  - 0132425874
AV  - BC108 .C69 1998
U1  - 160 21
PY  - 1998///
CY  - Upper Saddle River, NJ
PB  - Prentice Hall
KW  - Logic
N1  - Includes bibliographical references and indexes
ER  -