?> On 29/10/2010 11:44, Ruben J=F6nsson wrote:
>>
>> Timetravelling going back in time is never going to be possible -=20
>> otherwise we
>> would have known about it from future visitors by now.

Absence of evidence is not evidence of absence. This is a logical falacy.

>
>     How can we prove something "is not possible"?
>
>     MJ

In the real world you can't prove a negative.
=20

--=20
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