Math Journals Require Lean Verification for AI Proofs
RexDouglass · x · 2026-08-24
Following the rise of AI in mathematics, several journals and arXiv sections now require Lean 4 or similar formal verification files for AI-assisted proofs. This shift responds to the Leiden Declaration (signed by 2800+ mathematicians) highlighting the difficulty in verifying AI-generated proofs. The new rules split the review process: machines verify logical soundness, while humans assess mathematical value, though this raises concerns about applicability across different mathematical fields.
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