[ExI] Atheism again

Brent Allsop brent.allsop at gmail.com
Mon Apr 20 23:28:01 UTC 2020


Exactly.
We may wake up tomorrow, and almost all physics (and historical e evidence)
will have radically changed right?

Brent



On Mon, Apr 20, 2020 at 5:08 PM Stathis Papaioannou via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

>
>
> On Tue, 21 Apr 2020 at 04:54, Dave Sill via extropy-chat <
> extropy-chat at lists.extropy.org> wrote:
>
>> On Mon, Apr 20, 2020 at 2:29 PM William Flynn Wallace via extropy-chat <
>> extropy-chat at lists.extropy.org> wrote:
>>
>>> And in any case. you can't prove a negative.
>>>
>>
>> Wrong.
>>
>>
>> https://www.psychologytoday.com/us/blog/believing-bull/201109/you-can-prove-negative
>>
>> "The fact is, however, that this supposed "law of logic" is no such
>> thing. As Steven D. Hales points in his paper "You Can Prove a Negative,"
>> "You can't prove a negative" is a principle of folk logic, not actual logic.
>>
>> Notice, for a start, that "You cannot prove a negative" is itself a
>> negative. So, if it were true, it would itself be unprovable. Notice that
>> any claim can be transformed into a negative by a little rephrasing—most
>> obviously, by negating the claim and then negating it again. "I exist" is
>> logically equivalent to "I do not not exist," which is a negative. Yet here
>> is a negative it seems I might perhaps be able to prove (in the style of
>> Descartes—I think, therefore I do not not exist!).
>>
>> Of course, those who say "You can't prove a negative" will insist that I
>> have misunderstood their point. As Hales notes, when people say, "You can't
>> prove a negative," what they really mean is that you cannot prove that
>> something does not exist. If this point were correct, it would apply not
>> just to supernatural beings lying beyond the cosmic veil but also to things
>> that might be supposed to exist on this side of the veil, such as unicorns,
>> Martians, rabbits with 20 heads, and so on. We would not be able to prove
>> the nonexistence of any of these things either."
>>
>
> In general, you can only prove things in mathematics, not in science.
>
>> --
> Stathis Papaioannou
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>
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