TY  - BOOK
AU  - Venn,John
TI  - Symbolic logic
SN  - 0828402515
U1  - 511.3 23
PY  - 1971/// [reprint 1984]
CY  - Bronx, N.Y
PB  - Chelsea Pub. Co.
KW  - Logic, Symbolic and mathematical
N1  - Reprint of the 1894 ed; Bibliography and index
ER  -