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From: "Paul.B.Andersen" <relativity@paulba.no>
Newsgroups: sci.physics.relativity
Subject: =?UTF-8?Q?Re=3A_Le_pi=C3=A8ge_parfait_=28the_perfect_trap=29?=
Date: Wed, 17 Jul 2024 14:34:20 +0200
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Den 17.07.2024 09:14, skrev Thomas Heger:
> Am Dienstag000016, 16.07.2024 um 21:43 schrieb Paul.B.Andersen:
>>
>> There is but one Special Theory of Relativity.
> 
> No, since actually Einstein's 'On the electrodynamics of moving bodies' 
> is usually called SRT.

Of course. This IS the Special Theory of Relativity.

> 
> But there have been several other attempts to the same problem.
> 
> One stems from Herman Minkowski and one from Herny Poincaré.

Minkowski introduced spacetime and the geometric approach
with metric and proper time.
It is a reformulation of Einstein's theory, but it is
still The Special Theory of Relativity.

Einstein adopted this view, and the very first equation
in Einstein's "The Foundation of General Relativity"
is the metric for the Special Theory of Relativity.

https://paulba.no/paper/Foundation_of_GR.pdf
§ 4 equation (1)

> 
> Also the present mainstream consensus about this subject can be called 
> 'SRT', but is different to what Einstein wrote.

It is still the same one and only Special Theory of Relativity,
even if the math has evolved since 1905.
But there is nothing you can calculate from the metric,
which you can't calculate from the Lorentz transform in
"On the electrodynamics of moving bodies".

> 
> There are also a number of other versions, which were created by people 
> of minor importance, like e.g. also people participating in this forum.
> 
> What exactly 'SRT' is, that is not cast in stone, but is a subject you 
> could debate.
> ...

The Special Theory of Relativity is precisely defined,
and there is no debate of what it is.
(Among reasonable knowledgeable people.)

-- 
Paul

https://paulba.no/