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ProfHewitt
searching PlanetScale…
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9 ms
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91.
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ProfHewitt
5y ago
Because arbiters are used in communications among cores, a many-core computer has inherent indeterminacy.
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ProfHewitt
5y ago
Thanks Marktangotango. Unfortunately, the above article is woefully incomplete and inaccurate because it is highly censored by Wikipedia. More comprehensive, up-to-date, and accurate information can be found here: * https://profe
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ProfHewitt
5y ago
Tsimionescu: Thank you very much for finding these typos!!!! They should all now be fixed at SSRN :-) Can anyone find more typos or make other suggestions for improvement??? Thanks! Carl
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ProfHewitt
5y ago
As said elsewhere in this posting: Nondeterministic Turing Machine has only bounded nondeterminism. That is, for a given input a Nondeterministic Turing Machine can only explore the number of alternatives bounded by its input. Actors do not
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ProfHewitt
5y ago
A concession to the physical world?
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ProfHewitt
5y ago
What exactly are the typos? Which paragraph is repeated?
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ProfHewitt
5y ago
Scientific progress does occur! Recent advances are compatible with a long tradition with contributions by Euclid, Dedekind, Frege, Russell, Church, Turing, von Neumann, etc. The following article is in furtherance of the long tradition: h
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ProfHewitt
5y ago
Proposition I'mUnprovable must not exist in foundational theories . A proof of inconsistency for a foundational theory that has I'mUnprovable appeared here: https://papers.ssrn.com/abstract=3603021
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ProfHewitt
5y ago
An Actor cannot decide the halting problem for program expressions . See proof in the following: https://papers.ssrn.com/abstract=3603021
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ProfHewitt
5y ago
If two propositions have the same characters, then they have the same Gödel numbers.
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ProfHewitt
5y ago
Many-core computer systems and networked computer systems depend crucially on indeterminacy in order to gain performance. See the following https://papers.ssrn.com/abstract=3459566
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ProfHewitt
5y ago
Nondeterministic Turing Machine has only bounded nondeterminism . That is, for a given input a Nondeterministic Turing Machine can only explore the number of alternatives bounded by its input. Actors do not have the limitation.
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ProfHewitt
5y ago
Proofs forgot to include order of proposition in its Gödel number.
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ProfHewitt
5y ago
Gödel proposition I'mUnprovable cannot be constructed in foundations because fixed-point construction violates orders on propositions. Existence of I'mUnprovable would render foundations inconsistent. See the following; https
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ProfHewitt
5y ago
Turing machine can simulate multiple Turing Machines but cannot implement multiple Turing Machines communicating with each other because there is no means to communicate.
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ProfHewitt
5y ago
Turing Machine can only do cooperative multiprogramming and cannot do time-interrupted scheduling.
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ProfHewitt
5y ago
[Gödel 1931] encoded the characters of a proposition in its Gödel number but did not include the order of the proposition.
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ProfHewitt
5y ago
Issue is that a Turing Machine cannot communicate with other Turing Machines in the middle of a computation.
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ProfHewitt
5y ago
Veritasium, et. al. overlooked the crucial aspect that orders on propositions play in maintaining the consistency of foundations. Neglecting to include the order of a proposition in in its Gödel number makes it possible to mistakenly conclu
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ProfHewitt
5y ago
Of course, Erlang can be accurately modeled using the theory of Actors. See discussion in Related Work section of the following article: https://papers.ssrn.com/abstract=3603021
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ProfHewitt
5y ago
Do you have any reasoning to back up your belief?
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ProfHewitt
5y ago
Twitter account is @ProfCarlHewitt and blog is https://professorhewitt.blogspot.com/ See following for a simple ActorScript program that cannot be implemented using a Nondeterministic Turing Machine: https://pape
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ProfHewitt
5y ago
It is particularly ironic that Gödel deceived von Neumann about having already developed an important proof for [Gödel 1931]. The deception was discovered years after both had died. See [von Plato 2018]
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ProfHewitt
5y ago
Good point, scotty79! In fact the [Gödel 1941] proposition I'mUnprovable does not exist in mathematical foundations.
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ProfHewitt
5y ago
Development of Lambda Calculus [Church 1931] and Turing Machine [Turing 1936] were fundamental achievements. However, they are inadequate models of computation because there are digital computations they cannot implement. See the following
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ProfHewitt
5y ago
Thanks jkhdigital! Of course, mathematical foundations must not be inconsistent . Homotopy type theory is an attempt address issues of equality in type theory.
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ProfHewitt
5y ago
A fundamental problem with Wikipedia is that it doesn't have proper accountability for material that it publishes. Furthermore, Wikipedia is heavily censored by an anonymous group. See [von Plato 2018] on how Gödel deceived von Neumann
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ProfHewitt
5y ago
There are very simple digital computations that cannot be performed by a Nondeterministic Turing Machine. See the following for an example: https://papers.ssrn.com/abstract=3603021
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ProfHewitt
5y ago
myWindoonn: Do you have anything of actual substance to contribute to the the discussion?
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ProfHewitt
5y ago
Mathematical foundations are indeed incomplete, that is, there are true propositions, which are unprovable. However, [Gödel 1931] failed to prove incompleteness of foundations using the nonexistent proposition I'mUnprovble . The [
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