TY  - BOOK
AU  - IRVING M. COPI
TI  - INTRODUCTION TO LOGIC
SN  - 0-02-325020-8
U1  - 160/COP/INT 
PY  - 1986///
CY  - new york
PB  - MACMILLAN
KW  - LOGIC
KW  - PHILOSOPHY
ER  -