{"type": "article", "title": "DeFAb: A Verifiable Benchmark for Defeasible Abduction in Foundation Models", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/defab-a-verifiable-benchmark-for-defeasible-abduction-in-foundation-models", "original_source": "https://arxiv.org/abs/2606.18557", "published": "2026-06-18T04:00:00+00:00", "accessed": "2026-06-18", "id": "defab-a-verifiable-benchmark-for-defeasible-abduction-in-foundation-models"}