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Am Freitag000019, 19.04.2024 um 17:56 schrieb Python: > Le 19/04/2024 à 17:40, Maciej Wozniak a écrit : >> W dniu 19.04.2024 o 10:23, Python pisze: >>> Le 19/04/2024 à 07:50, Thomas Heger a écrit : >>> [...] >>>> The system k had tall Greek letters as names of the axes: >>>> Xsi, Eta and Zeta. >>>> >>>> Here Einstein made an error, too, because once defined these names >>>> had to be used. >>> >>> Xsi intervenes several times from the sentence "For a ray of light >>> emitted at the time $\tau =0$ in the direction of the increasing $\xi$" >>> a few paragraphs later. All of them intervenes after the sentence >>> "Substituting for x' its value, we obtain :" >>> >>>> In my role as a hypothetical professor, who had to write >>>> corrections, I freaked out a little at this point and wrote a big >>>> red 'F' on the first page on the paper. >>> >>> In my role as a hypothetical ophthalmologist I freak out a lot and >>> advise you to buy glasses. >>> >>> >> >> Oh, stinker Python is opening its muzzle again, >> and trying again to pretend he knows something. > > I can recognize the appearances of a greek letter in an > article, can you? You mentioned yet another issue in Einstein's paper: it was not easy to decide, to which alphabet certain characters belong. E.g. 'P' could be a large Latin 'p' or a large Greek 'Roh'. other ambiguities: small italic Latin 'v' and Greek 'ypsilon' are hard to distinguish and small italic Latin 'a' and small Greek 'alpha' are practially undistinguishable. It requried a strong lens and some knowledge in criminalism to identify the meant alphabet. Since Einstein didn't define any variable properly, you had to guess. TH ...
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Re: New version of my annotations to SRT Thomas Heger <ttt_heg@web.de> - 2024-05-18 08:38 +0200
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