Neuro-symbolic Natural Logic with Introspective Revision for Natural Language Inference

• URL: http://arxiv.org/abs/2203.04857v1
• Date: Wed, 9 Mar 2022 16:31:58 GMT
• Title: Neuro-symbolic Natural Logic with Introspective Revision for Natural Language Inference
• Authors: Yufei Feng, Xiaoyu Yang, Xiaodan Zhu, Michael Greenspan
• Abstract summary: We introduce a neuro-symbolic natural logic framework based on reinforcement learning with introspective revision. The proposed model has built-in interpretability and shows superior capability in monotonicity inference, systematic generalization, and interpretability.
• Score: 17.636872632724582
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We introduce a neuro-symbolic natural logic framework based on reinforcement learning with introspective revision. The model samples and rewards specific reasoning paths through policy gradient, in which the introspective revision algorithm modifies intermediate symbolic reasoning steps to discover reward-earning operations as well as leverages external knowledge to alleviate spurious reasoning and training inefficiency. The framework is supported by properly designed local relation models to avoid input entangling, which helps ensure the interpretability of the proof paths. The proposed model has built-in interpretability and shows superior capability in monotonicity inference, systematic generalization, and interpretability, compared to previous models on the existing datasets.

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