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From: sobriquet <dohduhdah@yahoo.com>
Newsgroups: sci.math
Subject: Re: math, is it just physics?
Date: Wed, 29 Jan 2025 12:45:59 +0100
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Op 29/01/2025 om 11:46 schreef joes:
> Am Wed, 29 Jan 2025 09:48:47 +0100 schrieb WM:
>> On 28.01.2025 21:56, sobriquet wrote:
>>>
>>> So in a way one could claim that concepts like integers and their
>>> properties and relationships can be more or less empirically observed
>>> in the behavior and properties of things like elementary particles such
>>> as electrons or fields.
>> Or bricks, marbles, people etc. The natural numbers have been abstracted
>> from reality. The laws like "the existence of n implies the existence of
>> n+1" were so evident, that no axioms appeared necessary before Dedekind,
>> Peano, Schmidt etc. Only Cantor's assumption of an actual set with |ℕ|
>> being a fixed quantity greater than all numbers is not abstracted from
>> reality.
> Oh PLEASE show me something physically infinite.
> 

How about space? Or would you claim that if we emit photons in opposite 
directions on a straight line/trajectory, they would eventually meet up, 
provided they don't run into anything else?