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A comment on Problem of Time. Parent comment
That physical limitation on how fast a mass can move is what keeps causality in check and things like the grandfather paradox from being possible.
Edit: now that I think more on it, this is probably a better law that ensures causality: https://en.wikipedia.org/wiki/Entropy#Second_law_of_thermody...
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That physical limitation on how fast a mass can move is what keeps causality in check and things like the grandfather paradox from being possible.
Edit: now that I think more on it, this is probably a better law that ensures causality: https://en.wikipedia.org/wiki/Entropy#Second_law_of_thermody...