The laws of nature have an internal explanatory structure. This leads to interesting questions for metaphysicians of laws. What is the nature of this explanation? Marc Lange has recently argued in favor of metalaws: higher-order laws governing other laws, of which symmetry principles may be an example. Lange argues that his view, unlike its competitors, can make sense of the explanatory power of symmetries. I agree with Lange about the explanatory structure of laws but disagree with him about the nature of this explanation. I then present a Humean view that neatly captures the explanatory power of symmetry principles.
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机译：自然定律有内部解释结构。 这导致了法律形而上喻的有趣问题。 这个解释的性质是什么？ Marc Lange最近有利于Metalaws：治疗其他法律的高阶法律，其中对称原则可能是一个例子。 Lange认为他的观点与竞争对手不同，可以对对称的解释力感。 我同意Lange关于法律的解释性结构，但不同意他关于这种解释的性质。 然后，我提出了一种防守的观点，可以整齐地捕获对称原理的解释力。
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