arxiv
PublishedOctober 19, 2026 at 4:00 AM
LeanPRM: Lean-Grounded Process Supervision for Natural Language Proof Verification
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arXiv:2610.17697v2 Announce Type: replace-cross Abstract: AI systems now write long and difficult mathematical proofs, and checking their step-by-step validity is becoming a bottleneck. A learned verifier could check proofs cheaply, but training one requires a correctness label on every step, and su
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