On 6 June 2015 at 07:22, John Clark <johnkcl...@gmail.com> wrote:

> On Fri, Jun 5, 2015 , meekerdb <meeke...@verizon.net> wrote:
>
> >> It's very relevant if you want to know what is a simplified
>> approximation of what. And we both agree that a electronic computer is
>> vastly more complex than it's logical schematic, so why can we make a
>> working model of the complex thing but not make a working model of the
>> simple thing when usually it's easier to make a simple thing than a complex
>> thing? The only answer that comes to mind is that particular simplified
>> approximation is just too simplified and just too approximate to actually
>> do anything. That simplification must be missing something important,
>> matter that obeys the laws of physics.
>
>
>
>> > The trouble with this argument is that the laws of physics are
>> mathematical abstractions.
>>
>
> Mathematicians are always saying that mathematics is a language, but what
> would be the consequences if that were really true?
>

I'm not sure that mathematicians say this (well, Galileo did, iirc, but
generally they don't).


> The best way known to describe the laws of physics is to write then in the
> language of mathematics, but a language is not the thing the language is
> describing. A book about Napoleon may be written in the English Language,
> but the English Language is not Napoleon and mathematics may not be the
> physical universe.  Or maybe it is. As I've said many times I'm playing
> devil's advocate here, maybe mathematics really is more fundamental than
> physics but if it is it has not been proven.
>

I doubt anything could prove this if it's still being debated even though
physics has been based on maths for 300 years.

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