16
40
-8
Another question asks why there are so few female users at Mathematics Stack Exchange. I would like to investigate the premise of that question. In order to state a question that has an objective answer, this is what I ask:
What is the male-female ratio among the top 100 users of Mathematics Sta...
12
Given a topological space $X$, the following are equivalent:
Given points $x$ and $y$, there exist neighborhoods $A$ and $B$ of $x$ and $y$ respectively satisfying $A \cap B = \emptyset$.
Every proper filter converges to at most one point.
The diagonal set $\{(x,x) : x \in X\}$ is a closed subs...
