Author

Zhe-Hao Li

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Preprint Sep 2026

ProofGap: Benchmarking Step-Level Formal Reasoning with Local Obligations Derived from Natural-Language Solutions

ProofGap is a fine-grained benchmark for step-level formal reasoning constructed through a natural-language proof-processing pipeline that decomposes each reasoning step into one or more aligned proof gaps, enabling more precise localization of model failures.

Li-Han Xie, Zhi-Cheng Hui, Ying-Jun Lan et al. · 0 citations