Steamroller Problems: An Evaluation of LLM Reasoning Capability with Automated Theorem Prover Strategies

Lachlan McGinness; Peter Baumgartner

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arXiv · 2407.20244

Steamroller Problems: An Evaluation of LLM Reasoning Capability with Automated Theorem Prover Strategies

Lachlan McGinness·Peter Baumgartner

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Abstract

This study presents the first examination of the ability of Large Language Models (LLMs) to follow reasoning strategies that are used to guide Automated Theorem Provers (ATPs). We evaluate the performance of GPT4, GPT3.5 Turbo and Google's recent Gemini model on problems from a steamroller domain. In addition to determining accuracy we make use of the Natural Language Processing library spaCy to explore new methods of investigating LLM's reasoning capabilities. This led to one alarming result, the low correlation between correct reasoning and correct answers for any of the tested models. We found that the models' performance when using the ATP reasoning strategies was comparable to one-shot chain of thought and observe that attention to uncertainty in the accuracy results is critical when drawing conclusions about model performance. Consistent with previous speculation we confirm that LLMs have a preference for, and are best able to follow, bottom up reasoning processes. However, the reasoning strategies can still be beneficial for deriving small and relevant sets of formulas for external processing by a trusted inference engine.

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BibTeX RIS

Lachlan McGinness, Peter Baumgartner. 2024-07-17. Steamroller Problems: An Evaluation of LLM Reasoning Capability with Automated Theorem Prover Strategies. https://arxiv.org/abs/2407.20244

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