Just saw that Matt Mahoney commented and I defer to him. On Fri, Oct 12, 2018 at 1:58 AM Andrés Gómez Emilsson <[email protected]> wrote:
> If the algorithm for compression is good then forget about it. In that > case the best (and near only) way is to uncompress the file and then > re-compress it with the new, more effective algorithm. > > On Thu, Oct 11, 2018 at 10:53 PM Nanograte Knowledge Technologies via AGI < > [email protected]> wrote: > >> A discussion centered around pseudo randomness. >> >> As a private experiment on randomness, I once took published data of >> cosmic noise and tabled it in an appropriate way. Within less than 54 >> iterations, emerged a consistent, embedded pattern. My conclusion was that >> cosmic noise was pseudo random. Would my experiment destroy the lava-lamp >> theory of true randomness? Possibly. >> >> Recently, someone quoted Gell Mann. His established view on randomness is >> most enlightening. >> >> As far as I can tell, true randomness cannot be observed, because the >> instant it is observed the energy of observation destroys the purity (or >> truth) thereof. Unless you're a remote viewer, or supernatural observer it >> would seem that science has fallen foul of its own need for empirical >> evidence. Solve the problem: How does one observe without observing at >> all? >> >> Matt, I think you have earned an olive branch in that within a bridging, >> scientific theory (Existentialism) you may call any thing whatever you >> want, for as long as you have it clearly objectified; defined in terms of >> meaningfulness and applied in a consistent, semantic manner. I think the >> prior statement contains a hidden key. >> >> If so, then you may rely on the probability of your accepted version of >> that thing. Further, to ensure it would remain correct and complete within >> your particular system. How do you do that? >> >> Still, easy to translate across boundaries as well. >> >> *One's shoe may be another's steak. That is the nature of true relativity >> in motion. >> >> Rob >> ------------------------------ >> *From:* Jim Bromer via AGI <[email protected]> >> *Sent:* Friday, 12 October 2018 3:34 AM >> *To:* AGI >> *Subject:* Re: [agi] Compressed Algorithms that can work on compressed >> data. >> >> Matt said, "A string is random if there is no shorter description of >> the string." >> >> That is a conjecture, or a hypothesis. >> >> Matt said, "... but there is no general algorithm to distinguish them in >> any >> language. >> "Encrypted data appears random if you don't know the key. But it is not >> random because it has a short description (compressed plaintext + >> key). Kolmogorov proved that there is no general algorithm to tell the >> difference." >> >> if there is no general algorithm to distinguish or detect them then >> the hypothesis cannot be validated. While you might present a string >> and declare it to be "random" the fact that you cannot prove that it >> is the shortest description of the string and therefore purely random, >> or random, then the conjecture cannot be sustained. >> Jim Bromer >> On Thu, Oct 11, 2018 at 1:37 PM Matt Mahoney via AGI >> <[email protected]> wrote: >> > >> > On Thu, Oct 11, 2018 at 12:38 PM John Rose <[email protected]> >> wrote: >> > > OK, what then is between a compression agents perspective (or any >> agent for that matter) and randomness? Including shades of randomness to >> relatively "pure" randomness. >> > >> > A string is random if there is no shorter description of the string. >> > Obviously this depends on which language you use to write >> > descriptions. Formally, a description is a program that outputs the >> > string. There are no "shades" of randomness. A string is random or >> > not, but there is no general algorithm to distinguish them in any >> > language. If there were, then AIXI and thus general intelligence would >> > be computable. >> > >> > > From an information theoretic (and thermodynamic) viewpoint in your >> mind what happens when you see the symbol for infinity? Semi-quantitatively >> describe the thought processes? >> > >> > The same thing that happens when you see any other symbols like "2" or >> > "+". Mathematics is the art of discovering rules for manipulating >> > symbols that help us make real world predictions. >> > >> > -- >> > -- Matt Mahoney, [email protected] >> *Artificial General Intelligence List <https://agi.topicbox.com/latest>* >> / AGI / see discussions <https://agi.topicbox.com/groups/agi> + >> participants <https://agi.topicbox.com/groups/agi/members> + delivery >> options <https://agi.topicbox.com/groups/agi/subscription> Permalink >> <https://agi.topicbox.com/groups/agi/T55454c75265cabe2-Mb162ece05c697e7f68694969> > > > -- > Andrés Leonardo Gómez Emilsson > Sentient Being (or Consciousness Narrative Stream, depending on how you > want to look at it) > -- Andrés Leonardo Gómez Emilsson Sentient Being (or Consciousness Narrative Stream, depending on how you want to look at it) ------------------------------------------ Artificial General Intelligence List: AGI Permalink: https://agi.topicbox.com/groups/agi/T55454c75265cabe2-M8dfcf318758e57b7984908a1 Delivery options: https://agi.topicbox.com/groups/agi/subscription
