TY  - GEN
AU  - Irving M.Copi
TI  - Symbolic logic
U1  - 164 
PY  - 1965///
CY  - New York
PB  - Macmillan
KW  - Philosophy
N1  - 4th ed.[1973],350p.    5th ed. [1979] 398p.   5th ed. Indian reprint 1995,2003
ER  -