AI RESEARCH
Understanding Tool-Augmented Agents for Lean Formalization: A Factorial Analysis
arXiv CS.LG
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ArXi:2604.16538v1 Announce Type: cross Automatic translation of natural language mathematics into faithful Lean 4 code is hindered by the fundamental dissonance between informal set-theoretic intuition and strict formal type theory. This gap often causes LLMs to hallucinate non-existent library definitions, resulting in code that fails to compile or lacks semantic fidelity.