Apparently, this user prefers to keep an air of mystery about them.
6 Galois group of irreducible polynomial in a field of characteristic zero in which every element is a perfect square nov 18 '13
5 A club-guessing exercise feb 12
4 Axiom of replacement feb 16 '13
4 Is axiom of choice necessary for proving that every infinite set has a countably infinite subset? aug 14