TY  - BOOK
AU  - Copi, Irving M
TI  - Introduction to Logic
U1  - 160 COP-I 2990 1968 
PY  - 1968///
CY  - London: 
PB  - The Macmillan Company
KW  - Logic | Deduction | Formal logic
N1  - Introduction; The use of language; Informal fallacies
ER  -