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为什么都喜欢碰瓷葛立恒数而TREE(3)无人问津?
TREE(3)有限大是让我感觉最不可思议的。当看到TREE(3)的几十个例子后,我的感受就是,这个数应该是无限大的吧?虽然我早就知道TREE(3)是有限的,可是无论如何都难以想象它为什么不是无限大,看那些证明也看不懂,只能知道个大概概念。
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