Re: [SR] Their proper times will necessarily be equal

Le 22/04/2024 à 00:01, Richard Hachel a écrit :

Le 21/04/2024 à 23:47, Python a écrit :

Oh come on!
>
There are only two events involved! One for when the travelers
departs and another one when they meet again.
>
Hence a SINGLE time elapsed between these two events, as seen in any
frame of reference.
>
You seemed to have, at least, understood this recently. It appears
you don't. You are insufferable.

 [snip babbing]
It goes without saying that it defines the time between the joint departure event of the two rockets and the joint arrival of the two rockets.
 We have entered into tautology there.

You are the one insisting as taking an always true condition of the
form a = a as a precondition. This is utterly stupid.