TY  - BOOK
AU  - Copi,Irving M.
AU  - Cohen,Carl
TI  - Introduction to logic
SN  - 0023250410
AV  - BC108 .C69 1994
U1  - 160 20
PY  - 1994///
CY  - New York, Toronto, New York
PB  - Macmillan Pub., Maxwell Macmillan Canada, Maxwell Macmillan International
KW  - Logic
N1  - Includes bibliographical references and indexes
ER  -