[ExI] Time Travel and FTL flight
atymes at gmail.com
Fri Sep 3 19:21:39 UTC 2021
On Fri, Sep 3, 2021 at 12:09 PM Ben Zaiboc via extropy-chat <
extropy-chat at lists.extropy.org> wrote:
> On 03/09/2021 18:11, Adrian Tymes wrote:
> The matter at hand was the objection that FTL always causes time travel,
> which I believe is not a true claim.
> What I was trying to say was, if FTL travel *can* result in time-travel,
> then that means that FTL travel is not possible (on the premise that
> time-travel is not possible), not that it always does.
> Unless, somehow, only non-time-travel-causing FTL journeys were possible
> (so your FTL drive mysteriously stops working when you try certain trips).
Alternatively: some proposed forms of FTL could result in time travel.
Those particular forms of FTL are not possible. This has no effect on
other proposed forms of FTL. This is not dependent on where you go (that
is: not just for certain trips), only how you go.
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