When a proof becomes a program, the interesting part starts
What jumped out at me is not the headline-grabbing “Fermat’s last theorem” part. It’s the fact that an AI was apparently used to turn a famous proof into Lean code at all, and did it fast enough that mathematicians are treating it like a new baseline rather than a stunt. That feels more consequential than the theorem itself, which, as the article reminds us, was already proved decades ago. The real story is that formalization is moving from “painfully manual specialist work” toward something an
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