3 ms·

I don't understand. Is that the proof? I don't understand the proof. If A is an Urelement, and B is an Urelement, ... I don't see a contradiction in A is an e

by drdeca 10y ago

I don't understand. Is that the proof? I don't understand the proof. If A is an Urelement, and B is an Urelement, ... I don't see a contradiction in A is an element of C, and B is not an element of C? I mean, I defer to your research, but I do not understand...