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ProtoReasoning: Prototypes as the Foundation for Generalizable Reasoning in LLMs

Feng He, Zijun Chen, Xinnian Liang, Tingting Ma, Yunqi Qiu, Shuangzhi Wu, Junchi Yan

2025-06-19

ProtoReasoning: Prototypes as the Foundation for Generalizable Reasoning
  in LLMs

Summary

This paper talks about ProtoReasoning, a method that uses prototype examples to improve how large language models reason and solve problems across different types of tasks.

What's the problem?

The problem is that large language models often struggle to apply their reasoning skills to new or different types of problems they weren’t specifically trained on, limiting their general understanding.

What's the solution?

The researchers developed ProtoReasoning, which teaches the model to use prototypical representations—kind of like ideal examples or templates—that help the model generalize better. These prototypes guide the model in reasoning, planning, and solving logical tasks across various domains.

Why it matters?

This matters because it helps create AI that can think more flexibly and handle a wider range of problems well, making them more useful in real-world situations where tasks can vary a lot.

Abstract

ProtoReasoning enhances large reasoning models through prototypical representations, leading to improved cross-domain generalization in logical reasoning, planning, and other tasks.