# Re: Mathematical Universe Hypothesis

```
On Wednesday, October 31, 2018 at 3:38:55 PM UTC, John Clark wrote:
>
> On Tue, Oct 30, 2018 at 10:16 PM <agrays...@gmail.com <javascript:>>
> wrote:
>
> >>What you described is a infinite number  of FIXED length discrete
>>> steps, and if that is what motion is motion would indeed be impossible, but
>>> its not the infinity that makes it impossible its the fixed length.
>>>
>>
>> *>Of course it's the infinity under THIS scenario. The point is this is
>> one way to do the task, but fails precisely because of the infinity. AG *
>>
>
> That is incorrect. A infinite number of tasks CAN be completed in a finite
> time if the duration of the first task is half a second and the second is a
> quarter of a second and the third a eighth of a second etc.  In this case
> even though there are a infinite number of tasks they are all completed in
> exactly one second.
>
> But obviously if there are a infinite number of tasks with a *fixed
> length* they can't all be completed in a finite time. That was your
> original scenario so obviously that's not the way motion works.
>```
```
*Of course. You're proving that motion is possible, which we already know,
or very strongly believe. It's like you've proven that a circle is round. I
think there's a subtle point here you miss; namely, that since motion can't
be done in finite steps due to the divergence in my model (and I think
Zeno's as well), the question is why? I think it's because space is not
infinitely divisible, established logically by this model. AG *

>
> John K Clark
>
>
>
>>
>>
>>>
>>>
>>>> > *So, since motion surely seems demonstrable, why can't the task be
>>>> done as I described? Answer; because space isn't infinitely divisible.*
>>>
>>>
>>> That is one possible answer, the other is that the infinite number of
>>> tasks are NOT of fixed length but decrease in a geometric progression that
>>> converges. As I said , Zeno is of no help in deciding which of these 2
>>> answers is correct.
>>>
>>> John K Clark
>>>
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