The Oriental logic accepts the primordial void or chaos as the ultimate reality and, paradoxically, for this very reason, prefers organic social order with each element in its proper place.
If the to element is not present inside the path header entry, then the ultimate destination is designated by the last via element.
如果to元素没出现在path头条目中，则由最后一个via元素指明最终目的地。
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This receiver will become the ultimate destination when (1) there are no via elements listed in the FWD element after the removal of the top via element, and (2) there is no to element.