TY  - BOOK
AU  - Copi,Irving M.
AU  - Cohen,Carl
TI  - Introduction to logic
SN  - 8120309421
AV  - BC38 .C51
PY  - 2002///
CY  - New- Delhi
PB  - Prentice-Hall of India
KW  -  
KW  - Logic
KW  - Textbooks
N1  - Includes bibliographical references and indexes
ER  -