# Mathspp Blog

### A blog dedicated to mathematics and programming!

As of now, my blog is being migrated here. You can find all the old content over here.

33
##### Twitter proof: size of the set of subsets of a set

Let's prove that, if a set has size $$n$$, then that same set has exactly $$2^n$$ subsets.

36
##### Problem #005: number me right

This post's problem is a really interesting problem I solved two times. The first time I solved it I failed to prove exactly how it works... then some years later I remembered the problem statement and was able to solve it properly. Let's see how you do!