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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Python <python@invalid.org> Newsgroups: sci.physics.relativity Subject: Re: [SR and synchronization] Cognitive Dissonances and Mental Blockage Date: Sat, 31 Aug 2024 15:36:00 +0200 Organization: CCCP Lines: 59 Message-ID: <vav680$109ac$9@dont-email.me> References: <v9q6eu$1tlm9$1@dont-email.me> <liduroFtbroU2@mid.individual.net> <vah9hs$2c43u$1@dont-email.me> <lj56luFe0luU3@mid.individual.net> <M4vxPZKxPU6U7NDCGNWCGCM0lRc@jntp> <ljahm9F9dfdU2@mid.individual.net> <vapd5l$3tffr$1@dont-email.me> <ljd51mFl74gU4@mid.individual.net> <vas655$e2la$2@dont-email.me> <o63FO6ufY9csAokzvXMpjto87yU@jntp> <vas7rr$e2la$4@dont-email.me> <17f07ef6b2cab9eb$615722$546728$c2565adb@news.newsdemon.com> <vasnba$e2la$22@dont-email.me> <17f093a70d87b977$760537$505029$c2365abb@news.newsdemon.com> <vav1pe$109ac$3@dont-email.me> <17f0d1f84336d9cd$768489$505029$c2365abb@news.newsdemon.com> <vav5e0$109ac$7@dont-email.me> <17f0d37a5290a3b7$678178$505064$c2265aab@news.newsdemon.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sat, 31 Aug 2024 15:36:00 +0200 (CEST) Injection-Info: dont-email.me; posting-host="0bc100f5050f6c852213e21dd186125e"; logging-data="1058124"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19JqP04wx+Ou9nuXHmkTs+S" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:rIFoOhR2INbE7MklCzJUtdgbPM8= In-Reply-To: <17f0d37a5290a3b7$678178$505064$c2265aab@news.newsdemon.com> Content-Language: en-US Bytes: 3719 Le 31/08/2024 à 15:32, Maciej Wozniak a écrit : > W dniu 31.08.2024 o 15:22, Python pisze: >> Le 31/08/2024 à 15:05, Maciej Wozniak a écrit : >>> W dniu 31.08.2024 o 14:19, Python pisze: >>>> Le 30/08/2024 à 20:03, Maciej Wozniak a écrit : >>>>> W dniu 30.08.2024 o 17:09, Python pisze: >>>>>> Le 30/08/2024 à 13:44, Maciej Wozniak a écrit : >>>>>> ... >>>>>>> No theory of mathematics include clocks. >>>>>> >>>>>> Sure! But a model of clocks can appear in a mathematical >>>>>> theory. >>>>> >>>>> It can >>>> >>>> Good to know. We agree then. >>>> >>>>> and, what's more important - a >>>>> relativistic idiot like to invoke >>>>> the auyhority of mathematics for >>>>> excusing his mad claims. >>>>> BTW - is Pythagorean theorem a >>>>> "hard mathematical fact"? >>>>> Yes or not? >>>> >>>> The hard mathematical fact is: Euclid's Axioms => Pythagorean theorem. >>>> >>>> Another question? >>> >>> Here it comes: >>> Quoting: >>> >> Paragraph I.1. describes a procedure that looks non symmetric at >>> >> first sight: clocks A and B are not treated exactly the same way >>> >> (two measures for A, one for B for instance), nevertheless at the >>> >> end of the day one can *prove* that the results are symmetric and >>> >> that inverting A and B would lead to the same result. >>> > >>> This is hard mathematical facts Richard. Something beyond your head. >>> End of quoting. >>> >>> No axioms now implying that? >> >> We basically need a archimedian complete ordered field. i.e. R. >> >> Let's pick ZFC + Peano, and R (for values of the "clocks") defined as >> the set of Cauchy sequences on Q or Dedekind's cuts. > > I see: a cow and a cow gives a rhino. > What a hard mathematical fact it is - > just take Peano's and define a cow > as 1 and a rhino as 2. Sure, you can. More precisely you could name S(0) "cow" and S(S(0)) "rhino", as long as your audience is aware of that. What's your problem Maciej?