RT Book
T1 The propositional logic of Boethius
T2 Studies in logic and the foundations of mathematics
JF Studies in logic and the foundations of mathematics
A1 Dürr, Karl 1888-1970
LA English
PP Amsterdam
PB North-Holland Publ.
YR 1951
UL https://ixtheo.de/Record/1098584597
CN 510.5