TY  - BOOK
AU  - COPI, Irving M. 
TI  - Symbollic Logic 
SN  - 0023249803
U1  - 511 
PY  - 1979/// .
CY  - New York
PB  - Macmillan Publishing Co., Inc. , 
KW  - Logic -- symbolic and mathematics
N1  - includes index
ER  -