# 宇宙法（GSP）

前面我们提到，反转致命结构的做法是，利用明数的视角去论证余下的空格可以形成矛盾。尤其是针对于反转唯一矩形和反转唯一环，他们甚至都提到了“余下两种数字不出现会造成题目不唯一解”的对称性质了。

我们继续来探讨致命结构的内容。不过，这次我们要基于之前的“对称性”来得到一些特别的推理过程。


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