On casting probabilities in categorical terms. Might need to know some actual category theory for this to make sense.

Giry Monad? What is that anyhow?

- https://mathoverflow.net/questions/20740/is-there-an-introduction-to-probability-theory-from-a-structuralist-categorical
- https://theoreticalatlas.wordpress.com/2010/11/11/categorifying-measure-theory/
- https://terrytao.wordpress.com/2010/01/01/254a-notes-0-a-review-of-probability-theory/
- https://golem.ph.utexas.edu/category/2007/02/category_theoretic_probability_1.html