Persistent identifier https://phaidra.univie.ac.at/o:1501951
Handle https://hdl.handle.net/11353/10.1501951
URI https://valep.vc.univie.ac.at/virtualarchive/public/Folder_24_An_Axiom_System_of_Inductive_Logic_Chapters_1-13_old_uncorrected_10_Symmetric_C_1961_1961/a:653314