TY  - BOOK
AU  - Copi,Irving M.
AU  - Cohen,Carl
TI  - Introduction to logic
SN  - 0130968692 (professional)
U1  - 511.3 
PY  - 2002///
CY  - Upper Saddle River, N.J.
PB  - Prentice Hall
KW  - Logic
KW  - Textbooks
N1  - Includes bibliographical references and index
ER  -