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“最佳说明的推理”是一种依据假说给证据的说明程度来确定假说合理性的推理。它认为,理论在说明上的那种“最佳”状态描述了理论的经验适当性,即“最佳”的理论是趋真的,理论实体的预言空白得到了填充。这样,IBE既可被看做是对科学理论发明和科学推理过程的正确刻画,又被赋予了给由它所带来的结论以认识论上的保证,在科学实在论上具有重要的辩护作用。
“Reasoning of the best explanation ” is a reasoning that determines the reasonableness of a hypothesis based on how well the hypothesis gives evidence. It argues that the “best” state of theory in the description describes the empirical empir- ity of the theory that the “best” theory is true and that the prophetic blank of the theoretical entity is filled. In this way, IBE can be regarded as both an accurate portrayal of the process of scientific theory invention and scientific reasoning, an epistemological guarantee given to the conclusions it brings, and an important defensive role in scientific realism.