Comment by huijzer

> A coworker recently remarked that lean seems like a new foundational language family that every programmer should be able to read

Extraordinary claim requires extraordinary evidence.

Why? I’ve worked a bit with proving systems in my studies, but it seems to me that it is very hard to turn precise mathematical statements into useful programs. Perhaps for the core logic, but GUIs or any other state with the outside world is going to be difficult it seems to me