News for hackers. Stuff that matters.
Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by cj on Monday October 09, 2023 @03:50PM (#37824641)
I think very few people think one word at a time, like a LLM.

A lot of people think in concepts without words at all in many scenarios. E.g. when you cook an egg, do you reason (in words) with yourself to decide what temperature to set the dial on the stove? Or do you just do it “without really thinking”?

Does your brain respond with annoying disclaimers when asking yourself medical questions? Does your brain refuse to entertain an idea if it’s questionable?

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by jddj on Monday October 09, 2023 @04:02PM (#37824777)
Observe your thought process while reading the following sentences.

If you're not with us you're...

If you scratch my back I'll..

A bird in the hand is worth...

What is a bird in the hand worth? How did you know that?

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by danShumway on Monday October 09, 2023 @04:19PM (#37824992)
I'm not sure what this is intended to demonstrate.

Your response to "not all problems are solved through generating text" is "but what if the problem is specifically to generate text?" Sure? Yes, if you ask me to complete a sentence, I complete a sentence. That doesn't indicate that human brains are reducible to text generators.

If anything, what's interesting about your example is that it might actually in some ways demonstrate the opposite of your point. How many instances are there of people memorizing text or song lyrics and singing along with an artist dozens of times, and only later sitting down and thinking about what the words actually mean? For humans, it's well understood that memorization and repetition of a text is not necessarily the same thing as understanding the concepts within that text.

I feel confident I could find you some kids that know that "a bird in the hand is worth two in the bush" that have never actually thought about what that phrase is intending to convey.

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by jddj on Monday October 09, 2023 @05:23PM (#37825698)
I didn't ask you to complete a sentence, though. Just to read them. Then I asked a question.

I think you've made my point quite well.

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by danShumway on Monday October 09, 2023 @05:28PM (#37825757)
I'm going to be completely honest, I still don't know what your point is.

That humans are capable of memorizing text? Is that a thing anyone was debating?

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by jddj on Monday October 09, 2023 @05:38PM (#37825843)
Drawing a line around the bits that aren't language generation unfairly ignores the massive apparatus that seems to be specialised (oftentimes overly so) at language generation.

Sure there's other stuff going on, but a lot of it is language and a lot of that subset seems to be quite closely approximated by these larger LLMs, warts and all.

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by danShumway on Monday October 09, 2023 @05:55PM (#37825969)
Hold on a sec, think about what you're saying. The ability of a larger system to imitate a smaller system in some situations means they're they're mostly the same? Since when?

If I told you that an LLM was basically a Markov chain because there are situations where the Markov chain and LLM produce similar output and where you could reasonably argue that it's possible the LLM is working the same way that the Markov chain is working -- you would (correctly) say I was oversimplifying what's going on in GPT. It would be a terrible comparison to make. Similarly, if you say that human reasoning is the result of an LLM, and what you're actually saying is that in a subset of situations humans produce output that could theoretically be working the same way as an LLM, I'm gonna say you're oversimplifying how human brains work.

Very clearly, there is more going on in a human brain than language, evidenced by the fact that our brains are larger than our language centers and we can literally measure which parts of the human brain experience the most activity when we're tackling different tasks.

> Sure there's other stuff going on, but a lot of it is language and a lot of that subset seems to be quite closely approximated by these larger LLMs, warts and all

If you define your tests and scenarios to specifically encompass only the situations in which similar outputs are produced, then sure. But that's not a very strong argument for you to make. It's like saying chickens are basically the same as fish since both of them lay eggs. The phrase "sure there's other stuff" is doing a lot of work there, because "there's other stuff" is what we're all saying when we say that LLMs aren't just primitive humans -- LLMs are different from humans in the sense that when we reason, there's other stuff going on and the entire process is not reducible to only language generation.

----

Of course, absent from this conversation is the fact that the way our language center develops is different from how LLMs are trained and even in the parallels you're drawing, LLMs demonstrate different strengths and weaknesses from humans -- humans demonstrate reasoning capabilities faster than proficiency with language/text, LLMs demonstrate proficiency with text faster than they demonstrate reasoning capabilities. Even in situations where both LLMs and humans predict text, it's likely that we're using different strategies to do so given our differing capabilities.

Look I am not even making a claim about whether GPT can reason. Defining intelligence through a purely human lens would be unimaginative and needlessly narrow. Whether GPT actually reasons or just appears to is a different conversation. I haven't touched that conversation, all that I'm saying is, it's very obvious that whatever GPT is doing, it is different from how human brains work.

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by jddj on Tuesday October 10, 2023 @02:45AM (#37829181)
I can agree with all of that.

I was pushing back against something that might not have been there initially: an unwillingness to accommodate the idea that a fairly significant part of our intelligence is actually stored in our language and that it can seem subjectively (perhaps excluding those with no internal monologue) that we recall that knowledge in a manner which is close enough to the one we have managed to replicate in the larger LLMs.

This part of our function could well be a lazy optimization that in reality sits on top of our reasoning capabilities to save energy, but the point of the trite task with the bird in the hand was just to demonstrate that it seems to play a fairly significant role. I'm out of my depth entirely with respect to the actual form and function of the brain as per the state of research today.

I'm willing to admit though that when I replied to you I was probably really replying to a lot of other commenters, many of whom had stronger objections to the idea that LLMs are now knocking on the door of intelligence at least to the point where we feel the need to redefine it.

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by cj on Monday October 09, 2023 @04:30PM (#37825115)
> A bird in the hand is worth...

I have absolutely no idea (honest truth, never head that expression).

I think that proves I don’t think like a LLM (although there are surely people who would answer with a complete guess, but that’s not me)

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by colonCapitalDee on Monday October 09, 2023 @04:26PM (#37825072)
> A lot of people think in concepts without words at all in many scenarios.

Many scenarios, not all scenarios.

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by fragmede on Monday October 09, 2023 @04:15PM (#37824942)
Sapir-Whorf would like to have a word with you.
Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by cj on Monday October 09, 2023 @04:26PM (#37825064)
If my mind worked like a LLM I would generate some BS reply.

Instead, I’ll respond by saying “I don’t know” what you mean.

Who knew the ability (or inability) to say “I don’t know” would be so critical to intelligence until now.

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by fragmede on Monday October 09, 2023 @04:46PM (#37825286)
When I asked ChatGPT what "jdnrirmd-gurlksjd" is, it says it doesn't recognize it and needs more context, but is readily able to tell me about the Sapir-Whorf Hypothesis.

https://chat.openai.com/share/4f36fe14-0201-4a69-aaf5-2e2e29...

When asked what happened last week, ChatGPT will be honest and tell me that its training data only goes up until Jan 2022, and that it doesn't know anything after that date.

https://chat.openai.com/share/ca5bd2e1-e91c-468c-9594-be3ac8...

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by cj on Monday October 09, 2023 @04:56PM (#37825391)
Except, for your first example I would have said “that’s gibberish” instead of asking for more context since I know more context wouldn’t help.

Edit: how did you get GPT to only output bullet points? If the answer is you told it to, why do you have to tell it every time? Don’t you think it would be smart enough to get the hint about your preferences?

I’ll stop now though. The debate about whether people think like LLM’s is silly. We clearly don’t, and it doesn’t make sense why people want us to think we do.

Edit 2: it’s also frustrating that the “I don’t know” example you’re using was hard coded by OpenAI and not generated by the LLM itself.

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by fragmede on Monday October 09, 2023 @05:23PM (#37825699)
Unfortunately the chat link doesn't show the custom instructions that I've set.

User message:

> Be terse. Do not offer unprompted advice or clarifications.

> Remain neutral on all topics.

> Never apologize.

Model message:

> Outline key points

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by crdrost on Monday October 09, 2023 @05:15PM (#37825579)
The Sapir-Whorf hypothesis, at least in its strongest form (the idea that your thoughts are necessarily always expressed in concrete words of the host language you have grown), has always been crap. Advocates for it have constantly had this back and forth of making very strong statements in support of it then sullenly backing off "oh uh I didn't mean it that way" whenever they actually get challenged on it.

For instance, a definite prediction would be "Therefore, nobody -- at least nobody who is not bilingual -- has ever had, and will ever have, trouble putting their thoughts to words. Their thoughts, after all, are already in words, they just need to say the words that are already in their head." But almost everybody, monolingual or bilingual, has experienced a situation where they have had trouble putting their thoughts into words.

Another definite prediction would be "Writing stuff down never aids thought directly, it only acts as an expansion of short-term memory of things that you have already put together. You had the words in your head, after all." But almost everybody reports that writing things down changes the qualitative aspects of how they think, it makes the ideas less "fuzzy" and more "concrete" to have to express them in written words. Similarly with folks who confidently state "I am an external processor" -- reporting similar "concreteness" if they speak their thoughts out loud versus trying to process them without speaking out loud.

So then you get people to back off and say "well, no, I just mean that learning a new language can broaden your horizons" or so, and it's like, sure, that's fine. Famously Whorf himself was an insurance investigator who was concerned about the connection between language and thought because he noticed that people told others "this gas tank is empty" and they thought, "oh, empty, that means that it's safe to smoke around!" and caused explosions because an empty gas tank is actually full of gasoline vapor and thus is highly explosive. So Whorf's motivating example actually supports a weaker version of Sapir-Whorf which is just "when we think about something linguistically given to us, we often use linguistic shorthand categories like the one that groups 'empty' near 'safe', that might be inaccurate in our language but might not be inaccurate in some other language."

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by mvdtnz on Monday October 09, 2023 @07:37PM (#37826827)
If you have something to say, pleas say it. But don't bring these annoying content-free Redditisms like "X would like a word with you" onto this forum.
Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by fragmede on Tuesday October 10, 2023 @10:05AM (#37832265)
> Please don't post comments saying that HN is turning into Reddit. It's a semi-noob illusion, as old as the hills.

https://news.ycombinator.com/newsguidelines.html

Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by mvdtnz on Tuesday October 10, 2023 @03:12PM (#37836168)
I didn't say HN is turning into Reddit, I criticised one specific comment. Thanks for your input but you can take it elsewhere.
Re:LLMs can't self-correct in reasoning tasks, DeepMind stud... by jncfhnb on Tuesday October 10, 2023 @09:09PM (#37839806)
LLMs “think” in vector spaces, and “operate” by picking out words one at a time. A full “idea” is there from the beginning.

If you say “choose X or Y and then give three supporting arguments” the LLM does not write out the supporting arguments, but the vector space determining the initial one word answer of X or Y does include the embedded awareness of those arguments to different levels of specificity and relevance.

The annoying disclaimers and refusals are not fundamental to LLMs but specific LLM services.