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LLMs and Wilf-Zeilberger method combine for automated combinatorial proofs

Researchers have developed WZ-LLM, a novel neuro-symbolic framework that combines the Wilf-Zeilberger (WZ) method with large language models (LLMs) to automate formal proofs of combinatorial identities. This approach translates WZ proof plans into executable sketches in Lean 4, leveraging an LLM-based prover for subgoals. Experiments demonstrate that WZ-LLM achieves a 34% success rate on the LCI-Test dataset, surpassing existing methods like DeepSeek-V3 and Goedel-Prover-V2. AI

Summary written by gemini-2.5-flash-lite from 1 source. How we write summaries →

IMPACT This research could accelerate formal verification in mathematics and computer science by improving automated theorem proving capabilities.

RANK_REASON This is a research paper detailing a new method for automated formal proofs. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.LG →

COVERAGE [1]

  1. arXiv cs.LG TIER_1 · Beibei Xiong, Hangyu Lv, Junqi Liu, Yisen Wang, Shaoshi Chen, Jianlin Wang, Zhengfeng Yang, Lihong Zhi ·

    Automated Formal Proofs of Combinatorial Identities via Wilf-Zeilberger Guidance and LLMs

    arXiv:2605.04472v1 Announce Type: new Abstract: Automating formal proofs of combinatorial identities is challenging for LLM-based provers, as long-horizon proof planning is required and unconstrained search quickly explodes. Symbolic methods such as the Wilf-Zeilberger (WZ) metho…