Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: parent exact "Studies in logic and the foundations of mathematics" Add to list Conference Paper C1 The justification of set theories Leo Apostel (1965) Logic, methodology and philosophy of science : proceedings of the 1964 International Congress. In Studies in logic and the foundations of mathematics p.199-209