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Subject: Re: [SR and synchronization] Cognitive Dissonances and Mental Blockage
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Date: Mon, 26 Aug 24 10:14:17 +0000
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From: Richard Hachel <r.hachel@tiscali.fr>
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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.

R.H.