I am currently an undergrad math major in my junior year. I'm taking number theory(406), linear algebra(403), and intro to analysis (314). I love hockey, baseball, airsoft, and math.
5 Proof of $x*0=0$ is invalid? Aug 27 '14
4 Prove that the null set is a subset of a set $A$. Jun 26 '13
2 Is $(H,*)$ a subgroup? Oct 23 '13
2 Prove that $H$ is a subgroup of an abelian group $G$ Oct 23 '13
2 Prove that $A\setminus (B\setminus C) = (A\setminus B) \cup (A\setminus C^c)$ for sets $A,\ B,\ C$ in some Universal Set $U$. Feb 20 '14