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Xin Quan

4 accepted papers

2026

LogicReward: Incentivizing LLM Reasoning via Step-Wise Logical Supervision

ICLR 2026poster

Although LLMs exhibit strong reasoning capabilities, existing training methods largely depend on outcome-based feedback, which can produce correct answers with flawed reasoning. Prior work introduces supervision on intermediate steps but still lacks guarantees of logical soundness, which is crucial…

Cited by 0SourcecodeScholar
2025

Faithful and Robust LLM-Driven Theorem Proving for NLI Explanations

ACL 2025long

Natural language explanations play a fundamental role in Natural Language Inference (NLI) by revealing how premises logically entail hypotheses. Recent work has shown that the interaction of large language models (LLMs) with theorem provers (TPs) can help verify and improve the validity of NLI expla…

Cited by 0SourcePDFScholar
2024

Verification and Refinement of Natural Language Explanations through LLM-Symbolic Theorem Proving

EMNLP 2024main

Natural language explanations represent a proxy for evaluating explanation-based and multi-step Natural Language Inference (NLI) models. However, assessing the validity of explanations for NLI is challenging as it typically involves the crowd-sourcing of apposite datasets, a process that is time-con…