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From: Python <python@invalid.org>
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Subject: Re: [SR and synchronization] Cognitive Dissonances and Mental
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Date: Tue, 27 Aug 2024 10:48:25 +0200
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Le 27/08/2024 à 07:41, Thomas Heger a écrit :
> Am Montag000026, 26.08.2024 um 12:14 schrieb Richard Hachel:
>> Le 26/08/2024 à 07:47, Thomas Heger a écrit :
>>>
>>> To illustrate the problem of Einstein's naming conventions, I write 
>>> now, what these names actually meant:
>>>
>>>
>>> K is a cartesian coordinate system, assumed to be at rest, 
>>> non-rotating and unaccelerated in an Euclidean space, which is 
>>> assumed to 'flat' and force free.
>>>
>>> The orientations of the axes (of x, y and z) were not mentioned, but 
>>> I use this setting:
>>> x points right
>>> y points 'inside' (if x and z define a two-dimensional plane, like 
>>> the one you draw on)
>>> z points up (because z is usually used for hight)
>>>
>>>
>>> k is an equally normed coordinate system, which moves with velocity v 
>>> along the x-axis of K 'to the right'. The coordinates had Greek 
>>> letters as names (xsi, eta, zeta).
>>>
>>>
>>> K' is a coordinate system with the same features as K, but which 
>>> moves from the center of k along the xsi-axis of k 'to the left' with 
>>> velocity -v
>>>
>>>
>>> k' is the same, but moving to the left with velocity -w along the 
>>> xsi-axis of k. (the difference between K' and k' is a diffent 
>>> velocity w in case of k').
>>>
>>>
>>> But how could possibly anybody interpret the names K, k, K' and k' in 
>>> this way?
>>>
>>> It required careful investigations to find out, what was actually meant.
>>>
>>> And the used names themselves gave absolutely no hints, about how 
>>> these symbols shall be interpreted.
>>>
>>> In short: it is a very obscure system to name things!
>>>
>>> Usually you need to find a way, by which things get names in a 
>>> consistent manner, which the reader could eventually remember
>>
>> What you say is very interesting.
>>
> Well, thanks.
> 
> But this isn't such a nice story at all.
> 
> In a way this problem with naming coordinate systems was just the 'tip 
> of the iceberg'.
> 
> But the reuse of symbols or -for instance- to define something one way, 
> but not sticking to this definition, are also observable.
> 
> Especially annoying were the reuse of the letter A and the symbol x'.
> 
> There were actually eight different uses for the tall latin 'A' in this 
> paper.
> 
> But how could any reader keep track of the intended meaning in a certain 
> context?

You certainly couldn't. But you are far below average.