arxiv
PublishedApril 28, 2026 at 4:00 AM
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Surface Sensitivity in Lean 4 Autoformalization
Publisher summary· verbatim
arXiv:2604.23135v1 Announce Type: new Abstract: Natural-language variation poses a key challenge in Lean autoformalization: semantically equivalent paraphrases of the same theorem statements can induce divergent formal outputs, yet it remains unclear whether this variation reflects semantic disagree
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Originally published on arxiv ↗