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Policy-as-logic for robust reasoning over rules

Research Neuro-Symbolic Reasoning

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TL;DR - A hybrid system converts written policies into formal logic, uses language models to extract facts, and delegates rule-based decisions to an answer set solver. This separation improves interpretability, robustness, and efficiency for policy-grounded question answering.

  • Outperforms policy-as-prompt and policy-as-code approaches in most evaluated cases.
  • Reduces token usage by approximately 10Ă—.
  • Produces auditable answers by separating predicate grounding from symbolic reasoning.
  • Remains robust under input perturbations when applying objective policy criteria.

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Policy-as-logic for robust reasoning over rules

arXiv cs.AI Rahul Nair, Bastian Lipka, Elizabeth Daly 2026-08-12 arXiv:2608.11905
Public signals Semantic Scholar citations 0 · Semantic Scholar influential citations 0
Providers: Hugging Face · N/A OpenAlex · N/A Publisher · N/A Semantic Scholar · Citations 0 · Influential citations 0 X · N/A Fetched 2026-08-18 02:16:10.041843 UTC

TL;DR - A hybrid system converts written policies into formal logic, uses language models to extract facts, and delegates rule-based decisions to an answer set solver. This separation improves interpretability, robustness, and efficiency for policy-grounded question answering.

  • Outperforms policy-as-prompt and policy-as-code approaches in most evaluated cases.
  • Reduces token usage by approximately 10Ă—.
  • Produces auditable answers by separating predicate grounding from symbolic reasoning.
  • Remains robust under input perturbations when applying objective policy criteria.
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