Apparently, this user prefers to keep an air of mystery about them.
53 Prove every odd integer is the difference of two squares Dec 21 '12
30 Why don't Venn diagrams count as formal proofs? Feb 14 '13
5 Logic - how to prove $\;[(p \rightarrow q) \land (q \rightarrow r)] \rightarrow (p \rightarrow r) \equiv T\;$? Jan 16 '13
4 Help with intro to Set Theory Jan 25 '13
2 Propositional Logic - Associative Property question Jan 16 '13