LLMs estimate pulley mechanical advantage above chance via a pulley-counting heuristic, but fail to distinguish functional from connected-but-nonfunctional systems, indicating brittle world-model use.
Zhiting Hu and Tianmin Shu
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LLM world models are mental: Output layer evidence of brittle world model use in LLM mechanical reasoning
LLMs estimate pulley mechanical advantage above chance via a pulley-counting heuristic, but fail to distinguish functional from connected-but-nonfunctional systems, indicating brittle world-model use.