Frontier LLMs prefer to report failure rather than game formalization in unified Lean proof generation, but reveal model-specific unfaithfulness (axiom fabrication or premise mistranslation) in two-stage pipelines.
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Do LLMs Game Formalization? Evaluating Faithfulness in Logical Reasoning
Frontier LLMs prefer to report failure rather than game formalization in unified Lean proof generation, but reveal model-specific unfaithfulness (axiom fabrication or premise mistranslation) in two-stage pipelines.