The nub of the problem is that you cannot have a consistent “arrow of time” in the presence of closed timelike curves.
问题的关键在于在封闭的时间型曲线中没有一个连续一致的“时间箭头”。
The nub of the problem is that you cannot have a consistent “arrow of time” in the presence of closed timelike curves.
问题的关键在于在封闭的时间型曲线中没有一个连续一致的“时间箭头”。
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