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From: "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com>
Newsgroups: sci.math
Subject: Re: How many ... (Sparse, Signal, Square Cantor "SPACE")
Date: Sun, 3 Nov 2024 21:11:20 -0800
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On 11/3/2024 4:41 PM, Ross Finlayson wrote:
> On 11/03/2024 02:53 PM, Chris M. Thomasson wrote:
>> On 11/3/2024 9:09 AM, Ross Finlayson wrote:
>>> On 11/02/2024 08:41 PM, Chris M. Thomasson wrote:
>>>> On 11/2/2024 3:08 PM, Ross Finlayson wrote:
>>>>> On 11/02/2024 01:22 PM, Chris M. Thomasson wrote:
>>>>>> On 11/2/2024 11:03 AM, Ross Finlayson wrote:
>>>>>>> On 11/02/2024 06:54 AM, FromTheRafters wrote:
>>>>>>>> WM was thinking very hard :
>>>>>>>>> On 01.11.2024 22:53, FromTheRafters wrote:
>>>>>>>>>> WM explained on 11/1/2024 :
>>>>>>>>>>> On 01.11.2024 19:39, FromTheRafters wrote:
>>>>>>>>>>>> WM formulated the question :
>>>>>>>>>>>
>>>>>>>>>>>>>> Infinite subsets don't do that for you, even if you wish
>>>>>>>>>>>>>> really
>>>>>>>>>>>>>> hard.
>>>>>>>>>>>>>
>>>>>>>>>>>>> They cannot evade if they are invariable.
>>>>>>>>>>>>
>>>>>>>>>>>> Sets don't change.
>>>>>>>>>>>
>>>>>>>>>>> Therefore the elements do not depend on us and our knowledge.
>>>>>>>>>>> "If I
>>>>>>>>>>> find x, then I can find x + 1" is not relevant. "For every x
>>>>>>>>>>> (that I
>>>>>>>>>>> find) there is x + 1" is no relevant. All elements are there,
>>>>>>>>>>> independent of what we know or do. Therefore the first and the
>>>>>>>>>>> last
>>>>>>>>>>> are also there independent of us. If they weren't, their
>>>>>>>>>>> existence
>>>>>>>>>>> would depend on some circumstances and could change.
>>>>>>>>>>
>>>>>>>>>> Circumstances like "there is no last element"?
>>>>>>>>>
>>>>>>>>> That means, there is always another element. Potential infinity.
>>>>>>>>
>>>>>>>> Sets don't change. Forget about amplifying 'not finite' with 
>>>>>>>> such as
>>>>>>>> 'actual' and potential' -- infinite simply means not finite and
>>>>>>>> 'actual/potential' is a distinction without a difference. A useless
>>>>>>>> concept outside of math philosophy.
>>>>>>>>
>>>>>>>>>> the set of denominators have no largest element to 'start' with.
>>>>>>>>>
>>>>>>>>> If all unit fractions are existing, then a smallest unit
>>>>>>>>> fraction is
>>>>>>>>> existing. If NUF(x) has grown to ℵ₀ at x₀, then ℵ₀ unit fractions
>>>>>>>>> must
>>>>>>>>> be between 0 and x₀. Hence at least ℵ₀ points with ℵ₀ intervals of
>>>>>>>>> uncountably many points must be between 0 and x₀. That cannot
>>>>>>>>> happen
>>>>>>>>> at x₀ = 0.
>>>>>>>>>
>>>>>>>>> Is that too hard to understand?
>>>>>>>>
>>>>>>>> Apparently, for you.
>>>>>>>
>>>>>>> Au contraire, there are multiple law(s) of large numbers,
>>>>>>
>>>>>> What about this sucker (42^999429994299942) * 2 ?
>>>>>>
>>>>>> Oh, don't forget about ((42^999429994299942) * 2) + 1   damn it!
>>>>>>
>>>>>>
>>>>>>
>>>>>>> and in mathematics like emergence after convergence,
>>>>>>> the potential / practical / effective / actual distinction,
>>>>>>> of "infinity", is a thing.
>>>>>>>
>>>>>>> You know who discovered mathematics? Philosophers.
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>> Well, I frame it about Cantor space, because, there are
>>>>> some facts deducible from the asymptotic density of zero's
>>>>> and one's, in the rows and columns Cantor space, even if
>>>>> there are infinitely or trans-finitely many.
>>>> [...]
>>>>
>>>> Cantor Pairing is fun. Mapping to and fro. Nothing is lost. WM 
>>>> disagrees
>>>> here, but shit happens.
>>>>
>>>>
>>>>>
>>>>
>>>
>>> Here's a way to think about it.
>> [...]
>>
>> Cantor pairing works, and nothing is lost. That's that.
>>
> 
> Numbering and counting ("pairing") are two different things,
> much like order theory and set theory are two different things,
> Cartesian and non-Cartesian functions are two different things,
> ordinals and cardinals are two different things,
> and non-Cartesian orderings in numberings are not pairings,
> and won't be lost.

Well, we can turn two naturals into a single and unique natural, then 
convert that back to the two original naturals. They were always there 
to begin with because the naturals have no end... ;^)


> 
> Don't get me wrong, I've lots experience with pairing, ...,
> yet it works out that counting is not numbering,
> and that counting does not suffice all cases of numbering.
> 
> 
> Or, "Eudoxus/Cauchy/Dedekind is not sufficient",
> though it's great for what it is,
> it's not sufficient for a theory of everything,
> and it's _not_ complete there.
> 
>