Lean explained: think of it as a compiler where statements are signatures and proofs are bodies
BlancheMinerva · x · 2026-09-10
Replying to Yoav Goldberg's layperson question about Lean, Blanche Minerva explains: treat Lean as a compiler — the math statement is the signature and the proof is the body; the compiler checks the proof against the declared type. Humans only need to trust the formalization, not verify the proof manually.
Related event: Lean Explained: It's Like a Compiler for Math(2 posts)→
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