Apparently, this user prefers to keep an air of mystery about them.
56 What was the first bit of mathematics that made you realize that math is beautiful? (For children's book) mar 7 '13
22 If $A^2$ is invertible, then $A$ is also invertible? apr 23 '13
15 Are there any nontrivial examples of contradictions arising in non-foundational or applied math due to naive set theory? may 10
15 Why does the power rule work? mar 17 '13
14 Is there a simple group of any (infinite) size? jun 2 '13
12 Implies vs. Entails vs. Provable jan 24 '13
11 Well-orderings and the perfect set property may 19 '13