4 ms·
The notions involved are all “absolute”, denote the same sets of objects in every standard model of mathematics (= model of ZFC — quite unlike “the set oll subs
by twangist 4y ago
The notions involved are all “absolute”, denote the same sets of objects in every standard model of mathematics (= model of ZFC — quite unlike “the set oll subsets of the integers” which varies from model to model.