The simplest place to start, in my opinion, is [0]. If you understand that, then the fact that types are propositions and proofs are values of those types seems

The simplest place to start, in my opinion, is [0]. If you understand that, then the fact that types are propositions and proofs are values of those types seems pretty obvious. [0]: https://en.wikipedia.org/wiki/Brouwer%E2%80%93Heyting%E2%80%93Kolmogorov_interpretation https://en.wikipedia.org/wiki/Brouwer%E2%80%93Heyting%E2%80%...