Below you can find all the blog posts with twitter proofs!

Twitter proofs are posts with ridiculously short proofs of mathematical facts.

28
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.

63
Twitter proof: irrational rationality

Let's prove that there are two irrational numbers, call them $$a$$ and $$b$$, such that $$a^b$$ is a rational number! And let's do it in a tweet.