Roger Penrose versus Roy Kerr (Was: Mathematics and the singularity, let's discuss it)

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Sujet : Roger Penrose versus Roy Kerr (Was: Mathematics and the singularity, let's discuss it)
De : janburse (at) *nospam* fastmail.fm (Mild Shock)
Groupes : sci.physics
Date : 27. Jan 2025, 09:16:35
Autres entêtes
Message-ID : <vn7fd3$i8k1$1@solani.org>
User-Agent : Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0 SeaMonkey/2.53.20
Hi,
Mostowski Collapse has left the building, his successor
is Mild Shock. But you might be interested in:
What if Singularities DO NOT Exist?
https://www.youtube.com/watch?v=HRir6-9tsJs
Bye
P.S.: Not to be confused with this singularity, but
maybe nevertheless the same creative motivation?
AI Scientist Ben Goertzel Explains the Singularity
https://www.youtube.com/watch?v=m90buK0tFys
Ross Finlayson schrieb:
 > On 07/28/2024 09:04 AM, Ross Finlayson wrote:
 >> On 04/10/2020 03:11 PM, Ross A. Finlayson wrote:
 >>> On Friday, April 10, 2020 at 10:55:46 AM UTC-7, Mostowski Collapse wrote:
 >>>> Its gibberish, since most of your
 >>>> sentences lack a verb. Whats is this
 >>>> pile of words:
 >>>>
 >>>> "structure, in sets, for of course all the formality
 >>>> of all the structure of the sets **usually** "mechanically",
 >>>> then what a "reality" embodies for a "mathematical universe"
 >>>> a model of a universe of ZF set theory."
 >>>>
 >>>> Do you mean **usually** **is**?
 >>>> Since when is it chick to drop verbs
 >>>> in english sentences?
 >>>>
 >>>> On Friday, April 10, 2020 at 7:06:20 PM UTC+2, Mostowski Collapse wrote:
 >>>>> Gibberish makes ZFC being a model of
 >>>>> reality? Yeah if your reality is brain cancer.
 >>>>>
 >>>>> LoL
 >>>>>
 >>>>> On Friday, April 10, 2020 at 5:51:35 PM UTC+2, Ross A. Finlayson wrote:
 >>>>>> On Friday, April 10, 2020 at 3:34:05 AM UTC-7, Mostowski Collapse
 >>>>>> wrote:
 >>>>>>> Corr.:
 >>>>>>> But pretty sure ZFC is **not** postulating
 >>>>>>> some reality here. Unless you are that
 >>>>>>>
 >>>>>>> A theory of anything, is not really
 >>>>>>> a theory of something. Calling ZFC a model
 >>>>>>>
 >>>>>>> of reality is pretty crank.
 >>>>>> No, it's the same as "there exists causality"
 >>>>>> (there exists a theory, there exists A-Theory),
 >>>>>> then that the model universe, ZF's, sees in other
 >>>>>> theories that "the universe of ZF is its own powerset",
 >>>>>> encompassing all relation.
 >>>>>>
 >>>>>> The "Pure" part of set theory is two things:
 >>>>>> structure, in sets, for of course all the formality
 >>>>>> of all the structure of the sets usually "mechanically",
 >>>>>> then what a "reality" embodies for a "mathematical universe"
 >>>>>> a model of a universe of ZF set theory.
 >>>>>>
 >>>>>> Then this "mechanically pure" and "totally pure",
 >>>>>> help to reflect that applied set theory is descriptive.
 >>>>>>
 >>>>>> Applied set theory is descriptive.  The "naive" set
 >>>>>> theory is often best - for where it's true.
 >>>>>>
 >>>>>> "The proof strength of ZFC", is where, these days,
 >>>>>> univalency, as an example, is basically a naive
 >>>>>> universal.
 >>>>>>
 >>>>>> I.e. "for theorems in mathematics" "the proof
 >>>>>> strength of ZFC" suffices for quite a work.
 >>>>>>
 >>>>>> Results in theorem proving?
 >>>
 >>> The "Pure" part of set theory is two things:
 >>> (1) structure, in sets,
 >>> for of course all the formality
 >>> of all the structure of the sets
 >>> usually "mechanically",
 >>>
 >>> then what a "reality" embodies
 >>> for a "mathematical universe" :
 >>> (2) a model of a universe of ZF set theory.
 >>>
 >>>
 >>> Verb?  This is:  "is" a structure and "is" a model.
 >>>
 >>> The diagrammatical sentence diagram, you'll find in
 >>> my style, is often both explicit, and encompassing
 >>> parenthetical reference.
 >>>
 >>> About the universe being its own powerset,
 >>> a similar result of Russell's made Frege
 >>> abandon his completeness results, which is
 >>> important because Goedel's both "completeness"
 >>> and "incompleteness" results about arithmetization
 >>> of structure reflect truisms.
 >>>
 >>> So, ..., "gibberish" here is only as received -
 >>> i.e. you're a very excellent English speaker
 >>> and apparently quite fluent in the concepts,
 >>> it's too bad that some idiomatic grammar
 >>> leaves you at a loss.  Don't get me wrong -
 >>> I'm not perfect.
 >>>
 >>>
 >>> Also of course there's an importance of context,
 >>> and a usual coherency and constancy in narrative.
 >>>
 >>> Then, "pure mathematics" in "philosophy of mathematics"
 >>> and for "foundations of mathematics" is quite "mathematics".
 >>>
 >>> To your question of "what universe of ZF?  V?  L?",
 >>> it's appreciated.  Here of course you already know
 >>> that there's Cantor's, Russell's, and Burali-Forti's
 >>> results with that of course the universe of ZF is in
 >>> a theory that is extra-ZF (here "stronger/weaker",
 >>> in the results/axiomatics).
 >>>
 >>> Then, even just looking at ordinals and as that
 >>> "powerset is order type is successor" and that
 >>> for example "diagonalizing the finite ordinals
 >>> makes an infinite one", notes that Russell would
 >>> have to apply a resolution to the paradox that
 >>> there's an infinite ordinal at all, consistently
 >>> (as for example is defined as the second constant
 >>> in the language of ZF besides empty:  omega,
 >>> or an inductive set, those two sets, the rest
 >>> following expansion and restriction of comprehension).
 >>>
 >>> I.e., ZF to be accepted _does_ have "truly infinite" things.
 >>>
 >>
 >

Date Sujet#  Auteur
27 Jan 25 o Roger Penrose versus Roy Kerr (Was: Mathematics and the singularity, let's discuss it)1Mild Shock

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