check-explanation.md

check.ml explained

This document gives an explanation of src/lib/check.ml. This file implements a type check for our dependent type theory. For an explanation of the type theory in general, please see either test/ or nbe-explanation.md.

This explanation has not yet been completed. In the mean time I refer the curious to

"A simple type-theoretic language: Mini-TT" by Thierry Coquand, Yoshiki Kinoshita, Bengt Nordström, and Makoto Takeyama.