Papers › Entailment Semantics Can Be Extracted from an Ideal Language Model

Entailment Semantics Can Be Extracted from an Ideal Language Model

26 Sep 2022arXiv:2209.12407archive 2025-07-28

William Merrill, Alex Warstadt, Tal Linzen

Language models are often trained on text alone, without additional grounding. There is debate as to how much of natural language semantics can be inferred from such a procedure. We prove that entailment judgments between sentences can be extracted from an ideal language model that has perfectly learned its target distribution, assuming the training sentences are generated by Gricean agents, i.e., agents who follow fundamental principles of communication from the linguistic theory of pragmatics. We also show entailment judgments can be decoded from the predictions of a language model trained on such Gricean data. Our results reveal a pathway for understanding the semantic information encoded in unlabeled linguistic data and a potential framework for extracting semantics from language models.

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