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From: Mikko <mikko.levanto@iki.fi>
Newsgroups: sci.physics.relativity
Subject: Re: [SR and synchronization] Cognitive Dissonances and Mental Blockage
Date: Sun, 25 Aug 2024 12:03:30 +0300
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On 2024-08-25 07:01:16 +0000, Thomas Heger said:

> Am Samstag000024, 24.08.2024 um 10:11 schrieb Mikko:
>> On 2024-08-24 07:02:23 +0000, Thomas Heger said:
>> 
>>> Am Freitag000023, 23.08.2024 um 13:58 schrieb Mikko:
>>> ...
>>>>> In Einstein's case, this was often necessary, because Einstein used 
>>>>> very strange naming conventions.
>>>>> 
>>>>> A very simple example would be the symbols for the four used coordinate 
>>>>> systems: K, k, K' and k'.
>>>> 
>>>> These symbols are easy to remember: all are variants of K, which is
>>>> the first letter of Koordinaten-system. The only difference is that
>>>> K denotes the coordinate system K, k denotes the coordinate system k,
>>>> K' denotes the coordinate syste K', and k' denotes the coordinate
>>>> system k'. All coordinate systems are intertial, and much else is
>>>> not said about them so needn'd be remembered.
>>>> 
>>> 
>>> Well, but no.
>>> 
>>> The symbols K, k, K' and k' use two variations:
>>> a) small and large letters
>>> b) primed and not primed letters
>>> 
>>> Now 'small' means 'moving' (of k along the x-axis of K)
>> 
>> Of those that are used at the same time, everyone is moving relative
>> to every other.
>> 
>>> But 'primed' means what????
>> 
>> Nothing by itself. It is used to create a symbol that is different
>> but not too different from an earlier symbol.
>> 
> Yes, but I have critized this, because any symbol used should have a meaning.

The meaning "yet another coordinate system" is a meaning.

-- 
Mikko