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 Dec7 comment What is a simple example of an unprovable statement? Um, how do we know it will? Dec6 comment What is a simple example of an unprovable statement? How does one know that the theorem itself will be small? Dec6 comment What is a simple example of an unprovable statement? Would a proof that no such 4-tuple $(a,b,c,d)$ exists amount to a proof of the continuum hypothesis? Dec6 comment What is a simple example of an unprovable statement? ^ It takes one person to start a good thing. The rest copy and paste. Nov29 comment Number of length-n paths in a graph with a fixed start vertex I didn't know that (well, I thought I did, but it's no use if you don't remember on time!) Thanks, I'll make sure to keep that in mind. Nov28 accepted Number of length-n paths in a graph with a fixed start vertex Nov28 comment Number of length-n paths in a graph with a fixed start vertex This is brilliant. Accepting, thanks! Nov28 asked Number of length-n paths in a graph with a fixed start vertex Oct28 comment Best Fake Proofs? (A M.SE April Fools Day collection) Quod errat demonstrator Oct24 comment To calculate side of the Equilateral triangle Is that GeoGebra? Oct18 comment Which mathematicians have influenced you the most? "Galois' characteristic" punpunpunny Oct18 comment It is easy to show that $S_m=\sum_{n=1}^\infty \frac{n}{2^n + m}$ converges for any natural$\ m$, but what is its value? It's a graph of $S_m$ vs. $m$. Oct18 comment It is easy to show that $S_m=\sum_{n=1}^\infty \frac{n}{2^n + m}$ converges for any natural$\ m$, but what is its value? @djechlin I agree about that. I'm wondering about how it would be affected if the 2 in the denominator were changed. Oct18 comment It is easy to show that $S_m=\sum_{n=1}^\infty \frac{n}{2^n + m}$ converges for any natural$\ m$, but what is its value? The graph is really, really interesting, though: imgur Oct18 comment It is easy to show that $S_m=\sum_{n=1}^\infty \frac{n}{2^n + m}$ converges for any natural$\ m$, but what is its value? Partial sums? No, I've only done infinite sums (that is, correct to $10^{-8}\%$). Oct18 comment It is easy to show that $S_m=\sum_{n=1}^\infty \frac{n}{2^n + m}$ converges for any natural$\ m$, but what is its value? A quick Python script says that $S_m$ tends to $0$ as $m$ increases, but that is obvious. Oct15 revised Random walks: number of crosses between $-\sqrt{x}$ and $\sqrt{x}$ small LaTeX fixes Oct15 suggested approved edit on Random walks: number of crosses between $-\sqrt{x}$ and $\sqrt{x}$ Oct14 accepted Question regarding an algebraic manipulation in GFology Oct14 asked Question regarding an algebraic manipulation in GFology