Dennis Hackethal’s Blog

My blog about philosophy, coding, and anything else that interests me.

Tweets

An archive of my tweets and retweets through . They may be formatted slightly differently than on Twitter. API access has since gotten prohibitively expensive – I don't know whether or when I'll be able to update this archive.

But in case I will, you can subscribe via RSS – without a Twitter account. Rationale

@ashik_shanks @ReachChristofer @DavidDeutschOxf @ToKTeacher @dela3499 @reasonisfun

One theory is that both ideas are replicators in his mind that compete. It took a bunch of error correction for the new idea to replicate and outcompete the original one. Then it took some more for the original one to outcompete the new one.

@dchackethal · · Show · Open on Twitter

@ReachChristofer @ashik_shanks @DavidDeutschOxf @ToKTeacher @dela3499 @reasonisfun

Yeah. And to say that knowledge != understanding is misleading. His explicit ideas did not match his implicit ones. He also explained the transition in terms of hardware (neuroplasticity). But his hardware didn’t change. His ideas changed.

@dchackethal · · Show · Open on Twitter

@nchwd1 @Space_Station @Astro_Jessica @NASA_Astronauts @NASA

I was looking more for like, you know, an explanation in terms of physics... E.g. maybe the space shuttle in the foreground is too bright to see the stars in the background.

@dchackethal · · Show · Open on Twitter

@Space_Station @Astro_Jessica @NASA_Astronauts @NASA

I sometimes wonder why the sky is pitch black in some photos taken in space and not others. Shouldn't stars be visible in this photo?

@dchackethal · · Show · Open on Twitter

@RatCritical @ToKTeacher @reasonisfun

Don't think so. Consciousness seems to be epi-creative: you are aware of things when you look for errors with them and/or find errors with them.

Sort of related thread here (won't answer your question completely though I'm afraid): fallible.fun/#/posts/4a26dd…

@dchackethal · · Show · Open on Twitter

@dela3499 @mizroba @Evolving_Moloch @LTF_01

It even looks like she's standing in a giant vagina.

@dchackethal · · Show · Open on Twitter

RT @NASA:
The luminous clouds of Jupiter! ☁️ Taken by our @NASAJuno mission on its 20th close pass of the planet, this view reveals the hi…

@dchackethal · · Show · Open on Twitter

@InertialObservr

Would the ball go boop without the second tuning fork?

@dchackethal · · Show · Open on Twitter

@reasonisfun @ReachChristofer

The successful refutation of a bad explanation would need to include refutations of all its slight variants, which is intractable. Reject bad explanations out of hand instead. Create good explanations before you start testing.

@dchackethal · · Show · Open on Twitter

.@Medium Please consider vertically aligning the text in your publish button. It's hard to unnotice once noticed. Here's one way to fix it: https://t.co/Iz6JXgC2g9

@dchackethal · · Show · Open on Twitter

RT @DavidDeutschOxf:
@rubrumtrabea

In the case of revolutionaries, perhaps all of them?

But these school strikers aren't revolutionaries.…

@dchackethal · · Show · Open on Twitter

@drkiki

Have you considered not lying to your son?

@dchackethal · · Show · Open on Twitter

Example of buggy animal programming. twitter.com/tedgioia/statu…

@dchackethal · · Show · Open on Twitter

@DavidDeutschOxf

LOL. Reminds me of attempts in software projects to replace "master/slave" with PC terms. See eg github.com/django/django/…, or github.com/antirez/redis/… with gem "Redis has a SALVEOF [sic] NO ONE command that was designed on purpose as a freedom message. So I'll leave it as it is".

@dchackethal · · Show · Open on Twitter

@caerwy @hunchandblunder

Without externally given objective. It may set objectives for itself.

But a nice list otherwise. Almost all of these are missing in narrow AI.

@dchackethal · · Show · Open on Twitter

@bnielson01 @dela3499 @reasonisfun @davidmanheim @DavidDeutschOxf @_FitCrit

Maybe that gives it more of an evolutionary flavor? Idk. You could also use symbolic regression, which is "proper" GP.

Not much hinges on whether NNs resemble evolution because, as DD says, science is about explaining the world, not predicting/retrodicting data (curve fitting).

@dchackethal · · Show · Open on Twitter

@twatschmitt @DavidDeutschOxf @reasonisfun @davidmanheim @_FitCrit @bnielson01 @dela3499

Or, a non-math example: why are my keys missing?

  1. I misplaced them.
  2. I misplaced them while wearing a hat.
  3. I misplaced them while wearing a green hat.

... and so on.

@dchackethal · · Show · Open on Twitter

@twatschmitt @DavidDeutschOxf @reasonisfun @davidmanheim @_FitCrit @bnielson01 @dela3499

For example, points (0,0), (1,1) fit x, |x|, xn for any positive n, etc.

You can do this for any given points by simply finding one curve that fits them all and then arbitrarily varying it in the infinitely many sections that don't run through those points.

@dchackethal · · Show · Open on Twitter

@dela3499 @reasonisfun @davidmanheim @DavidDeutschOxf @_FitCrit @bnielson01

Yeah, that's what I meant by minimizing cost functions. The parameters are updated, sure - but not varied in the evolutionary sense.

@dchackethal · · Show · Open on Twitter

@reasonisfun @davidmanheim @DavidDeutschOxf @_FitCrit @bnielson01 @dela3499

Knowledge is created by guessing and criticizing solutions to problems, not “extrapolating” from data, or finding mechanisms to fit data ever better.

Machine learning is empiricism applied to AI research. Should be avoided if the goal is to build intelligent programs.

@dchackethal · · Show · Open on Twitter

@dela3499 @reasonisfun @davidmanheim @DavidDeutschOxf @_FitCrit @bnielson01

From what I’ve seen, ML does not involve variation and selection. It’s about minimizing cost functions (how well does this fit the data?).

@dchackethal · · Show · Open on Twitter

@reasonisfun @astupple @ReachChristofer @DavidDeutschOxf

I’m guessing “Läkerol” means “yummy roll”? That’s adorable.

@dchackethal · · Show · Open on Twitter

RT @NASA:
Completely invisible, yet unbelievably influential. 💫

Scientists have been baffled by how spiral galaxies like the Milky Way ar…

@dchackethal · · Show · Open on Twitter

@dchackethal · · Show · Open on Twitter

RT @micsolana:
we are still living in the dark ages, fyi https://t.co/n46Vr2DtsN

@dchackethal · · Show · Open on Twitter

RT @JPMajor:
Saturn's moon Tethys (1,076 km wide) imaged by #Cassini in front of Saturn on December 3, 2005. North is to the left in this v…

@dchackethal · · Show · Open on Twitter

@visakanv @Borderlands

A bit like the “IT” from South Park...

@dchackethal · · Show · Open on Twitter

@ToKTeacher @RealtimeAI

Hehehehe

@dchackethal · · Show · Open on Twitter

@jamiemb17 @Aella_Girl

Not so much about correlation or IQ. Intelligence is the ability to create new knowledge to solve problems; consciousness, and with it suffering, seems to arise from that ability. Animals can't create new knowledge but only use genetically given knowledge. So they can't suffer.

@dchackethal · · Show · Open on Twitter

@PrestonEmick @Aella_Girl

Creativity, the ability to create knowledge. Only people (by definition) have that.

@dchackethal · · Show · Open on Twitter

@Aella_Girl

No capacity for suffering without intelligence, so I voted intelligence.

@dchackethal · · Show · Open on Twitter

@RealtimeAI

Where does she say that?

@dchackethal · · Show · Open on Twitter

@thethinkersmith

It seems for that reason that preventative medicine and remedies should be sold at separate locations, no?

@dchackethal · · Show · Open on Twitter

@thethinkersmith

I meant that if you go to get your flu shot, someone else who is infected may previously have entered that building in search of flu remedy, making it more likely for you to get infected.

So going to get the flu shot may cause getting the flu (not in the sense anti-vaccers mean)

@dchackethal · · Show · Open on Twitter

Is it me or should the place providing flu shots not sell flu remedy at the same time?

@dchackethal · · Show · Open on Twitter

@connectedregio1

An explanation of the pattern you’re looking for so you can distinguish patterns from non-patterns.

A pattern recognition program is such an explanation.

@dchackethal · · Show · Open on Twitter

@connectedregio1

Pattern recognition theories of mind are a dime a dozen. They are all false because you cannot decide what counts as a pattern without a theory first, so that theory cannot itself have come from an observed pattern.

@dchackethal · · Show · Open on Twitter

@markcannon5 @lynz_h55

I have no interest in continuing this conversation because you do not address my criticisms. No point in continuing.

@dchackethal · · Show · Open on Twitter

@dchackethal · · Show · Open on Twitter

@markcannon5 @lynz_h55

The content of an explanation is a statement about what is out there in reality, how it works, and why.

@dchackethal · · Show · Open on Twitter

@markcannon5 @lynz_h55

Starting with observations leads to an infinite regress you fail to address. You seem to willingly ignore it, idk why.

You're displaying irrational discussion methodology by repeating your point over and over without addressing criticisms.

@dchackethal · · Show · Open on Twitter

@markcannon5 @lynz_h55

Again, they might well have an explanation of what the dog's nose looks like, yes. (That they wouldn't know what it would feel like seeing a dog's nose doesn't change this.)

It's not so much about thought. It's about knowledge: solutions to problems.

@dchackethal · · Show · Open on Twitter

@paulg

"Everyone knows that to do great work you need both natural ability and determination."

What do you mean by "natural ability"? Talent?

@dchackethal · · Show · Open on Twitter

@markcannon5 @lynz_h55

This isn't a productive way to think about knowledge, though. As I said, knowledge creation begins with problems, not observations.

@dchackethal · · Show · Open on Twitter

@markcannon5 @lynz_h55

A creative mind can - in principle, though extremely unlikely - happen to come up with a theory describing dog's noses without having ever seen them. What it would feel like seeing a dog's nose is a different matter (quale).

@dchackethal · · Show · Open on Twitter

That's the right way to think about our role in the cosmos.

And hopefully, re the original post, we as individuals are going to find a way to be here for much longer than tens of thousands of days. twitter.com/ChipkinLogan/s…

@dchackethal · · Show · Open on Twitter

@markcannon5 @lynz_h55

No. You're putting words in my mouth. I have already agreed that blind people would not know what red feels like. I have also explained that this concerns qualia, not knowledge generally. This is part of the root of your mistake: you keep mixing up qualia with knowledge.

@dchackethal · · Show · Open on Twitter

@markcannon5 @lynz_h55

You keep describing knowledge as if it was already present. It isn't. It needs to be created through conjecture. Such as how to observe the delta between blue and red.

Explanations in terms of neural structures/hardware not fruitful. Intelligence is software, not hardware.

@dchackethal · · Show · Open on Twitter

@markcannon5 @lynz_h55

"Change is x to y." Yes. You know this from theory, not observation.

@dchackethal · · Show · Open on Twitter

@markcannon5 @lynz_h55

No. You know about change because you conjecture a theory that explains why things you observe are not always the same. Has nothing to do with neurons or underlying hardware.

@dchackethal · · Show · Open on Twitter

@markcannon5 @lynz_h55

Moral knowledge consists of components that cannot be observed. So where does it come from?

@dchackethal · · Show · Open on Twitter

@markcannon5 @lynz_h55

You know what change is from conjecture, not from observation.

@dchackethal · · Show · Open on Twitter

@markcannon5 @lynz_h55

So I ask you again where knowledge comes from that couldn’t possibly be observed, which you still haven’t answered.

Change is not observed either, btw.

@dchackethal · · Show · Open on Twitter

@lynz_h55 @markcannon5

Yes. It can wonder if there is anything other than darkness, what to do with its life, what to want, if this state will ever change, etc. And it can - tentatively, fallibly - answer these questions through conjecture.

@dchackethal · · Show · Open on Twitter

@lynz_h55 @markcannon5

None. But that’s fine. To create knowledge, we start with problems not observations.

@dchackethal · · Show · Open on Twitter

@markcannon5

LOL. If you just hide behind IP once the going gets tough, you haven't explained anything.

@dchackethal · · Show · Open on Twitter

@markcannon5 @thethinkersmith

And how did physicists know how to combine these things to get to the concept of fusion?

And what observed concepts do I use to create things like moral knowledge, which does not consist of any observations at all?

@dchackethal · · Show · Open on Twitter

@markcannon5 @thethinkersmith

So what are the building blocks of fusion that physicists observed?

@dchackethal · · Show · Open on Twitter

@HeuristicWorld

You can DM me here on Twitter.

@dchackethal · · Show · Open on Twitter

@thethinkersmith @markcannon5

Indeed. And, we know all kinds of things we could not possibly observe: we know how hot the insides of stars are, how massive black holes are... and we have moral knowledge, aesthetic knowledge, etc, which cannot be observed either, nor can their building blocks.

@dchackethal · · Show · Open on Twitter

@markcannon5

Nor have you explained what your AGI design is, or why the Popperian notion of knowledge is insufficient, which is what you set out to do.

You clearly are not familiar with the Popperian notion of knowledge, or you would have known that it's explanations.

@dchackethal · · Show · Open on Twitter

@markcannon5

If we make our own knowledge all the time without observation, why do you think that observation is so important?

Also, you haven't explained yet what knowledge is, only vaguely that we build it from observed "components".

@dchackethal · · Show · Open on Twitter

@markcannon5

The theory explains why empiricism (which is what you’re espousing) is mistaken, why neuroscience and other narrow AI is heading down blind alleys, it explains what knowledge is and (roughly) how to create it. What can yours do? Recognize shapes.

@dchackethal · · Show · Open on Twitter

@markcannon5 @lynz_h55

People create knowledge by sitting in a dark room all the time. Close your eyes and try solve problems. The solutions you create are explanations you create.

@dchackethal · · Show · Open on Twitter

@lynz_h55 @markcannon5

They also contain approximations to explanations of how to make wings, build brains, and may even contain approximations to the laws of physics.

@dchackethal · · Show · Open on Twitter

@lynz_h55 @markcannon5

Genes contain explanations of how to spread themselves through the population.

@dchackethal · · Show · Open on Twitter

@dchackethal · · Show · Open on Twitter

@markcannon5

That's because you have the wrong idea about what knowledge is. Knowledge is explanations - statements that are adapted to solving problems. Those don't come to us through the senses. We have to create them ourselves through an evolutionary algorithm.

@dchackethal · · Show · Open on Twitter

@markcannon5

No. It is evolution that creates knowledge generally, both genetic and human.

BTW, these things need to be explained on the applicable level of emergence. Intelligence is a property of software, not of some underlying physical structures in the brain.

@dchackethal · · Show · Open on Twitter

@markcannon5

But knowledge does exist in the brain in the form of the structure of cortical columns; plus mechanisms of how to associate them given certain sense data, etc.

Knowledge - of any kind - is created by evolution: variation alternating with criticism.

@dchackethal · · Show · Open on Twitter

@markcannon5

Indeed. So biological evolution creates the genetic knowledge of how to do the wiring in such a way.

If biological evolution explains the origin of genetic knowledge, why should an evolutionary algorithm running on the brain not explain the origin of human knowledge?

@dchackethal · · Show · Open on Twitter

@markcannon5

Where does that wiring come from?

@dchackethal · · Show · Open on Twitter

@markcannon5

In principle, but I agreed that it would be unlikely to happen.

Anyway, okay, so let's say those components are stored in cortical columns. Where does the knowledge of how to store stimuli in cortical columns come from?

@dchackethal · · Show · Open on Twitter

@markcannon5

I didn’t say blind people can see color.

Okay, so let’s say those components come to us through the senses. How?

@dchackethal · · Show · Open on Twitter

@markcannon5

Faith has nothing to do with it.

I had already granted that it would be extremely unlikely to think of dogs in that situation, but that's incidental.

You seem to claim that knowledge comes to us through the senses. Yes?

@dchackethal · · Show · Open on Twitter

@markcannon5

  1. For example, that it has legs, a nose, etc.
  2. Because in the sense you mean, red is a quale. We don't understand qualia, so I don't know.
@dchackethal · · Show · Open on Twitter

@markcannon5

I'm familiar with the argument you're making. Brain in a vat. I could think all kinds of things about dogs I want. Anything thinkable I can think.

If you were to say that I cannot predict the quale of seeing a dog, then I'm with you.

@dchackethal · · Show · Open on Twitter

@markcannon5

I'm in principle capable to have any thoughts about cars and dogs I like. I would be extraordinarily unlikely to have them, though.

@dchackethal · · Show · Open on Twitter

@markcannon5

Do tell.

@dchackethal · · Show · Open on Twitter

@HeuristicWorld

As a preprogrammed emotional response, sure, but no associated quale of suffering.

@dchackethal · · Show · Open on Twitter

@HeuristicWorld

I think there is no animal behavior that cannot be explained in terms of genetically given algorithms that just need to be executed; that leaves no room for creativity.

If consciousness, suffering etc arise out of creativity and animals are not creative, they are not conscious.

@dchackethal · · Show · Open on Twitter

As if the bastardization of the term "AI" had not gone far enough, folks are now starting to bastardize the term "AGI".

If this spreads, we will soon need to find a new term to talk about the real thing again. twitter.com/markcannon5/st…

@dchackethal · · Show · Open on Twitter

@markcannon5

You're building a shape recognition algorithm. That's not AGI, even if it can recognize all kinds of shapes.

@dchackethal · · Show · Open on Twitter

@dchackethal · · Show · Open on Twitter

@SarahTheHaider

"Lame"?

@dchackethal · · Show · Open on Twitter

@ks445599 @markcannon5

Well, we have a good explanations of why it would be a bad idea to unilaterally disarm.

Using justificationism against justificationists is an interesting approach, however. But does that not change your yardstick for what you consider real? I.e. a good explanation vs "proof"?

@dchackethal · · Show · Open on Twitter

@ks445599 @markcannon5

Burden of proof is justificationist. My link refutes Mark's points. He now needs to either explain why it does not, or refute the link.

@dchackethal · · Show · Open on Twitter

@markcannon5

I just gave one.

@dchackethal · · Show · Open on Twitter

@sciencemagazine @ScienceCareers

This isn't science. This is social justice nonsense.

@dchackethal · · Show · Open on Twitter

@HumanProgress

Article is broken. Content not showing.

@dchackethal · · Show · Open on Twitter

"Knowledge of how to use the senses is neither encoded genetically, nor can it possibly come from the senses. So where does it come from?"

About the folly of empiricism and the recovery from blindness:

medium.com/@hcd/recoverin…

@dchackethal · · Show · Open on Twitter

RT @NASA:
Today, we’re announcing five new companies who are joining our #Artemis program & will be eligible to bid on deliveries to the su…

@dchackethal · · Show · Open on Twitter

@ernsterlanson @ToKTeacher

E.g. stoning a woman to death because she dared take off her hijab makes me cringe; not because the perpetrators are ignorant - we are all infinitely (though unequally) ignorant - but because the ideas behind it are deeply false (and in this case, deadly).

@dchackethal · · Show · Open on Twitter

@ernsterlanson @ToKTeacher

Ah, it's not the ignorance per se that's cringeworthy (by some criterion): it's the badly mistaken idea. Some ideas are worse than others in terms of the damage they cause.

@dchackethal · · Show · Open on Twitter

@ernsterlanson @ToKTeacher

Some ideas are cringeworthy, but we may all have different thresholds.

People like Feynman, so they rush to his defense. Ad hominem. And unnecessary: he would have liked to know he was wrong so that he may improve.

@dchackethal · · Show · Open on Twitter

@BretWeinstein

Compromise

@dchackethal · · Show · Open on Twitter

@ks445599 @ToKTeacher

Hehe, "CRJW" :)

@dchackethal · · Show · Open on Twitter

@ToKTeacher

Wheeler (both Feynman's thesis advisor and David's boss) knew Popperian epistemology well and may have introduced Feynman to Popper, but it isn't clear.

I know that you know who Wheeler was, but including it here in case others read it and aren't aware of the connections.

@dchackethal · · Show · Open on Twitter

@ToKTeacher

Yeah. Quote from David:

[...] I happened to mention Popper in the one conversation I had with Feynman, sometime in the 80s, and he did not say "who's that?" but replied meaningfully to the point.

Feynman seemed to show good understanding of Popperian concepts.

@dchackethal · · Show · Open on Twitter

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