o:1529681
Persistent identifier https://phaidra.univie.ac.at/o:1529680
Handle https://hdl.handle.net/11353/10.1529680
URI https://valep.vc.univie.ac.at/virtualarchive/public/Hempel_Rudolf_Carnap_Formalization_of_Logic_1943-08-14_M/d:848355