Apparently, this user prefers to keep an air of mystery about them.
15 Examples of common false beliefs in mathematics May 5 '15
13 Can measures be added by forcing? Oct 28 '12
13 What's the difference between ZFC+Grothendieck, ZFC+inaccessible cardinals and Tarski-Grothendieck set theory? Jul 22 '12
11 Sets that are not $\infty$-Borel Apr 17 '14