Meta to the Certigrad project, for those mystified by the 'lean' programming language, here is a good start: https://leanprover.github.io/programming_in_lean/pr

Meta to the Certigrad project, for those mystified by the 'lean' programming language, here is a good start: https://leanprover.github.io/programming_in_lean/programming_in_lean.pdf https://leanprover.github.io/programming_in_lean/programming...