NLI under the Microscope: What Atomic Hypothesis Decomposition Reveals

Fuente: arXiv
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Autores principales: Srikanth, Neha, Rudinger, Rachel
Formato: Preprint
Publicado: 2025
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author Srikanth, Neha
Rudinger, Rachel
author_facet Srikanth, Neha
Rudinger, Rachel
contents Decomposition of text into atomic propositions is a flexible framework allowing for the closer inspection of input and output text. We use atomic decomposition of hypotheses in two natural language reasoning tasks, traditional NLI and defeasible NLI, to form atomic sub-problems, or granular inferences that models must weigh when solving the overall problem. These atomic sub-problems serve as a tool to further understand the structure of both NLI and defeasible reasoning, probe a model's consistency and understanding of different inferences, and measure the diversity of examples in benchmark datasets. Our results indicate that LLMs still struggle with logical consistency on atomic NLI and defeasible NLI sub-problems. Lastly, we identify critical atomic sub-problems of defeasible NLI examples, or those that most contribute to the overall label, and propose a method to measure the inferential consistency of a model, a metric designed to capture the degree to which a model makes consistently correct or incorrect predictions about the same fact under different contexts.
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id arxiv_https___arxiv_org_abs_2502_08080
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle NLI under the Microscope: What Atomic Hypothesis Decomposition Reveals
Srikanth, Neha
Rudinger, Rachel
Computation and Language
Decomposition of text into atomic propositions is a flexible framework allowing for the closer inspection of input and output text. We use atomic decomposition of hypotheses in two natural language reasoning tasks, traditional NLI and defeasible NLI, to form atomic sub-problems, or granular inferences that models must weigh when solving the overall problem. These atomic sub-problems serve as a tool to further understand the structure of both NLI and defeasible reasoning, probe a model's consistency and understanding of different inferences, and measure the diversity of examples in benchmark datasets. Our results indicate that LLMs still struggle with logical consistency on atomic NLI and defeasible NLI sub-problems. Lastly, we identify critical atomic sub-problems of defeasible NLI examples, or those that most contribute to the overall label, and propose a method to measure the inferential consistency of a model, a metric designed to capture the degree to which a model makes consistently correct or incorrect predictions about the same fact under different contexts.
title NLI under the Microscope: What Atomic Hypothesis Decomposition Reveals
topic Computation and Language
url https://arxiv.org/abs/2502.08080