On Sunday, September 30, 2018 at 9:53:06 AM UTC, [email protected] wrote: > > > > On Sunday, September 30, 2018 at 9:35:18 AM UTC, Bruno Marchal wrote: >> >> >> On 29 Sep 2018, at 13:16, [email protected] wrote: >> >> >> >> On Saturday, September 29, 2018 at 10:41:42 AM UTC, Philip Thrift wrote: >>> >>> >>> >>> On Saturday, September 29, 2018 at 4:48:44 AM UTC-5, [email protected] >>> wrote: >>>> >>>> * It claims that all mathematical objects exist in "physical" reality, >>>> which is sort-of isomorphic or in some sense identical to these objects. >>>> That is, no dichotomy between "physical" and mathematical objects, and all >>>> the latter including plane waves exist in this reality. But you will never >>>> observe a plane wave, so the MUH is falsified. AG * >>>> >>> >>> 1. Tegmark claims everything in the universe is mathematical - that is, >>> the universe consists of mathematical objects. >>> 2. Tegmark also says that infinities should be eliminated from physics - >>> in fact, *infinities are ruining physics*. >>> [ >>> http://blogs.discovermagazine.com/crux/2015/02/20/infinity-ruining-physics/ >>> ]ac >>> >> >> Bruno wrote 1 & 2. AG >> >>> >>> So then via Tegmark there can be no real continuous (infinitely >>> divisible) objects like (mathematical) waves, putting 1 and 2 together. >>> Only particular mathematical objects exist. >>> >> >> According to Wiki, and what I've heard from its adherents, the MUH posits >> that ALL mathematical object or entities exist in nature. But plane waves >> do not exist in nature. >> >> >> There is no nature that you can invoke. Once mechanism is assumed, a term >> like nature needs to be (re-defined, or explained, without physicalist >> assumption, implicit or explicit. >> >> >> >> >> (Do you know what they are?) So the MUH as claimed by Wiki and its >> adherents is falsified. AG >> >> >> I agree with your conclusion, but you assume some nature or matter, which >> cannot work in the mechanist context. >> > > *I didn't assume anything, except that plane waves will never be observed > (regardless of your model of external reality) unless you agree to > instantaneous action at a distance, and on steroids (!), since as time > evolves, the amplitude of a plane wave changes instantaneously in all > infinite directions. So I am just asserting that Tegmark's MUH has been > falsified since plane waves mathematically exist, but are never reified by > whatever is out there -- matter, or nothing but restrictions on motion > giving rise the illusion of matter or something solid existing. > Incidentally, I don't think the Wiki article refutes Tegmark as you claim; > rather it just describes it. AG* >
*Last sentence above is factually wrong. The Wiki article does contain some interesting criticisms of Tegmark's MUH. AG* > > >> Bruno >> >> >> >> >> >>> - pt >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Everything List" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at https://groups.google.com/group/everything-list. >> For more options, visit https://groups.google.com/d/optout. >> >> >> -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
