Paused a moment to rethink time travel
For awhile I’ve been convinced that time travel must be impossible because there are no tourists coming from the future to visit us in this present. This theory does not originate with me, of course.
I paused for a moment this morning while having a conversation with Jill about this, when the thought occurred to me that perhaps the reason there are no visitors from the future is because the future has not yet occurred, and those visitors have not yet come into existence. Their existence, of course would be a necessary predicate for them traveling back in time to this present.
But then I remembered, there is only one present, this present, back to which those future beings could travel. It is in this, and only this present, that they would return. So I think my doubts concerning time travel remain valid. Right?
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