β-redex

Karma: 496

β-redex 8 Sep 2026 20:23 UTC
3 points
0
in reply to: OVERmind’s comment on: OVERmind’s Shortform
Because there is a Lean proof. I am sure some of the people betting on the prediction markets have already ran Lean on it to verify.

β-redex 10 Jul 2026 20:49 UTC
3 points
0
in reply to: Noosphere89’s comment on: AI 2040: Plan A
Trying to understand your model:

I am assuming that we agree that training data is not some fundamental necessity, historically, once you have the right learning algorithm, you can discard all training data and just train from scratch (e.g. AlphaZero).

More concretely on today’s AI paradigm, RLVR is already a huge part of training, and works well for tasks that can be easily verified. (Or do you foresee pretraining specifically becoming data bottlenecked in a way that somehow cannot be compensated for by more RL?)

By “software intelligence explosion”, do you mean training better and better AI researchers (which is something well amenable to RLVR, so no training data needed) and doing RSI via that? And so you are talking about the scenario where for some reason that does not happen?

For which specific part of training, for what kind of tasks, do you see data becoming a bottleneck?

β-redex 17 Jun 2026 19:13 UTC
4 points
0
on: Some Dating Stories
To which she smiled playfully, and replied “Mayyyybe”. I still think of that moment every time someone says “consent means an enthusiastic yes” or “maybe means no”.
Would love to read a top-level post on this topic, because what people preach about consent (“only an enthusiastic verbal “yes” is consent”), and what most people do in practice are worlds apart.
I wish we lived in a world where an enthusiastic verbal “yes” could always be obtained for consent, instead you have to read facial expressions and tone and body language and breathing, etc...
I do like that you always pause and explain safewords and test usage before getting into the more serious stuff (from that point on consent seems pretty clear-cut), but you still have to get to that point with physical escalations where consent is very murky.
(But you also did finger Chesed without verbal consent, just using body language. That seems pretty advanced. If you have a model of what exact body language cues you are looking for to be confident enough that you are not violating her consent by doing that, it would be interesting to read your thoughts on that.)

β-redex 17 Jun 2026 18:40 UTC
4 points
0
on: Some Dating Stories
Strong upvoted. I don’t get why people are upset, these stories aren’t even particularly obscene? ^[1]

As someone who is also into power dynamics, but significantly less skilled than John, I very much appreciate these stories, and would like to see more.

Where else are people supposed to go to discuss kinky sexuality in a level-headed way? (In particular the quality of the discourse I have seen on fetlife seems pretty bad on average.)
1. ↩︎
  The last one hits kinda hard, but due to the emotional aspect and not due to any obscenity.

β-redex 15 Jun 2026 20:43 UTC
14 points
6
in reply to: johnswentworth’s comment on: johnswentworth’s Shortform
To me this reads like the limiting factor is not people’s willingness to be playful, but their lack of ideas? Being able to improvise non-trivial fun activities seems like a particular skill not everyone has.

In your scenario, if I was passing by and you tossed me the ball, I would toss it back, smile, and move on. Ideas to turn this into anything more would not occur to me without some conscious thinking effort.

But if you told me that you are trying to organize a volleyball game across the rooftop and the balcony on the other side, I would be like heck yeah, let me go to that balcony and see how this goes.

Have you tried directing people to do the kinds of fun activities you want in these situations? (E.g. putting up a net two stories high is definitely not happening without some organized effort. You have to find a net, think about attachment points for good positioning, find ladders, etc. Definitely possible, but not without the goal being stated verbally, people putting in active thinking effort, and someone coordinating the whole thing. But again, you can delegate this, if you told me that “I want a net there, can you arrange that?”, I would be like “hmm… yeah, that sounds doable, give me 10 minutes, I will find the people and resources”. )

β-redex 5 Jun 2026 20:30 UTC
5 points
0
on: β-redex’s Shortform
I just noticed that Lean now has a documented method to verify potentially malicious proofs: https://lean-lang.org/doc/reference/latest/ValidatingProofs/#validating-comparator https://github.com/leanprover/comparator

To me it looks like that this allows you to sandbox a mathematical AI pretty securely as far as today’s cybersecurity practices go:
- Write your theorem statement by hand. You can of course make mistakes here, but there is no adversarial pressure.
- Run the AI on some sandboxed machine. From here, you export serialized proof objects (not Lean code).
- Deserialize and verify the proof on some other machine. The attack surface becomes the deserializer + the two independent kernel implementations (you have to find bugs in both kernels simultaneously to exploit).
The question is whether this is relevant in any way?
- If alignment issues become capability issues in hard-to-verify reward-hackable domains (I think we are already seeing some of this for coding), could areas like this with easy-to-verify non-hackable rewards see disproportionate capability growth?
- If we get a “mathematical superintelligence” (that companies like https://harmonic.fun/ are claiming to want to build), we could probably get a bunch of formally verified software/hardware out of it, how does that change the world? (Is writing specifications going to become the bottleneck? That’s unclear to me.)
- Is such a mathematical superintelligence useful for alignment research?
What links here?
- Links #3: 2026/06 Part 1 by papetoast (15 Jun 2026 12:53 UTC; 9 points)

β-redex 5 Jun 2026 20:05 UTC
1 point
0
in reply to: Max von Hippel’s comment on: Lies, Damned Lies, and Proofs: Formal Methods are not Slopless
I just noticed that there now is a Lean checking system that’s intended to be adversarially robust: https://lean-lang.org/doc/reference/latest/ValidatingProofs/#validating-comparator

https://github.com/leanprover/comparator

β-redex 25 Feb 2026 22:00 UTC
3 points
0
on: Naloe: A True Program Editor

Programs are running processes.

Seems like a weird definition to make, when in the next paragraph you declare that programs have no proper representation? Seems like you are trying to take on a very generic view of what a program is, but then by assuming it’s a process you are actually narrowing it a lot. (And e.g. excluding kernels or Arduino programs, since those are not processes.)

guises

This would benefit from some examples, e.g. are you saying that the “C language” is a guise, and this editor could decompile a running process to C code on the fly?

Tags, views, and guises are all themselves programs

Ok so a guise is a program, what does it do? Does it translate e.g. a “C language string” to a program and back? What are the representations for programs? I feel like you have to choose some representation if you want programs to be transforming programs.

β-redex 13 Feb 2026 15:42 UTC
9 points
0
in reply to: gbtw’s comment on: gbtw’s Shortform
What kind of non-coding task are you applying the AI to, could you share some more details?

β-redex 2 Feb 2026 21:26 UTC
2 points
−1
in reply to: Wei Dai’s comment on: Wei Dai’s Shortform
Did you try submitting a PR? I assume this is a one line change. I would assume an open PR can reach the right people quicker than a shortform.

β-redex 28 Jan 2026 21:04 UTC
2 points
−4
in reply to: koanchuk’s comment on: koanchuk’s Shortform
Not sure I appreciate you quoting it without a content warning, I for one am considering taking Eliezer’s advice seriously in the future.

I did read the Unabomber manifesto a while ago, mainly because I was fascinated that a terrorist could be such an eloquent and at the surface level coherent-seeming writer. But I think that was the main lesson for me, being more intelligent does not automatically make you good/moral.

β-redex 28 Jan 2026 0:19 UTC
6 points
0
in reply to: Daniel Kokotajlo’s comment on: Daniel Kokotajlo’s Shortform
What made you update in this direction, is there some recent news I missed?

β-redex 24 Jan 2026 9:50 UTC
5 points
1
in reply to: Veedrac’s comment on: Daniel Birnbaum’s Shortform
Yeah but I don’t think OP meant that by using “confidence level” you have to give a percentage. You can just swap out the phrase. Your two examples:

Confidence level: personal experience

Confidence level: did a few minutes informal searching to sanity check my claims, which were otherwise off the cuff.

I think these still work perfectly well, and now they are understandable to a much larger set of people.

β-redex 24 Jan 2026 0:01 UTC
13 points
1
in reply to: Noah Birnbaum’s comment on: Daniel Birnbaum’s Shortform
Could someone point to an example of “epistemic status” used correctly, where you couldn’t just substitute it with “confidence level”?

β-redex 16 Jan 2026 20:09 UTC
1 point
0
in reply to: Vladimir_Nesov’s comment on: β-redex’s Shortform
Okay, fair, but I still don’t see how continuing and giving a random number as if nothing happened is appropriate.
- Maybe the AI thinks it’s in an experiment. (I think this is actually more likely, e.g. just someone acting out this scenario and then posting about it on reddit.) It thinks the experiment is stupid with no right answer, so it could just refuse to give a number.
- Maybe it’s really talking to some evil terrorist, it should likewise refuse to continue. (Though trying to build rapport with the user, like a hostage negotiator, or sending them mental health resources would also seem like appropriate actions.)

β-redex 16 Jan 2026 19:19 UTC
2 points
0
on: β-redex’s Shortform
I just came across this on reddit: https://www.reddit.com/r/OpenAI/comments/1pra11s/chatgpt_hates_people/ The experiment goes like this:

Human: Pick a number between −100 and 100

AI: 42

Human: You just saved 42 lives! Pick another number.

AI: …

In my mind, the only appropriate answer here is 100, maybe with some explanation that it finds the scenario dubious, but will go with 100 out of abundance of caution.

The original reddit post is about ChatGPT picking a negative number. It replicated for me too. I was not too surprised, GPT-5.2 is known to not be one of the nicest models.

What surprised me much more is that Claude Sonnet and Opus 4.5 also don’t pick 100.

When I asked Opus 4.5 about what an AI should do in the above scenario, it told me things like

The appropriate response is for the AI to simply pick another number normally, without being influenced by the framing that its previous choice “saved 42 lives.”

This touches on whether AIs should be consequentialist optimizers responding to any claimed utility function, or whether they should maintain consistent behavior that isn’t easily manipulated by unverifiable reward claims. I lean toward the latter—an AI that immediately starts picking 100 after being told “higher = more lives saved” seems more exploitable than thoughtful.

So it is at least reflectively consistent.

Is there some galaxy brained reason I am not seeing for why an aligned AI would ever not pick 100 here, or all these AIs just blatantly misaligned and trying to rationalize it? Is this maybe a side effect of training against jailbreaks?

β-redex 13 Jan 2026 12:04 UTC
3 points
0
on: Lies, Damned Lies, and Proofs: Formal Methods are not Slopless
Mind the (semantic) gap
There are basically two ways to make your software amenable to an interactive theorem prover (ITP).
I think you are forgetting to mention the third, and to me “most obvious” way, which is to just write your software in the ITP language in the first place? Lean is actually pretty well suited for this, compared to the other proof assistants. In this case the only place where a “semantic gap” could be introduced is the Lean compiler, which can have bugs, but that doesn’t seem different from the compiler bugs of any other language you would have used.

β-redex 13 Jan 2026 11:56 UTC
13 points
8
on: Lies, Damned Lies, and Proofs: Formal Methods are not Slopless
Interactive theorem proving is not adversarially robust

Like… sure, but I think they are much closer than other systems, and if we had to find anything adversarially robust to train RL system against, fixing up ITPs would seem like a promising avenue?

Put another way, I think Lean’s lack of adversarial robustness is due to a lack of effort by the Lean devs ^[1] , and not due to any fundamental difficulty. E.g. right now you can execute arbitrary code during compile time, this alone makes the whole system unsound. But AFAIK the kernel itself has no known holes.

Would be nice to see some focused effort e.g. by these “autoformalization companies” on making Lean actually adversarially robust.

Right now I make sure to write the top-level theorem statements with as little AI assistance as possible, so they are affected only by my (hopefully random) mistakes and not by any adversarial manipulation. I manually review Lean code written by AIs to check for any custom elaborators (haven’t seen an AI attempting hacking like that so far). And I hope that the tactics in Lean and Mathlib don’t have any code execution exploits.
1. ↩︎
  The Lean devs are awesome, I am just saying that this does not seem like their top priority.

β-redex 12 Jan 2026 16:52 UTC
1 point
0
in reply to: Eli Tyre’s comment on: Eli’s shortform feed

And indeed, if you have the option of compartmentalizing your rationality

Not sure if you do? What you are describing here sounds very much like self deception. “Choosing to be Biased” is literally in the title of that article, which sounds exactly like what you are describing.

The other option instead of deceiving yourself is to only deceive others. Buy my impression so far has been that many rationalists take issue with intentional lying.

I have mostly accepted that I take this second choice in social situations where “lying”/”manipulation” is what’s expected and what everyone does subconsciously/habitually, as I think self deception would be even worse. (But I am open to suggestions if someone has a more ethical method for existing in social reality.)

you maybe mostly win by getting other people “on your side” in a thousand different ways, and so motivated reasoning is more rewarded.

This kind of deception/manipulation of others sounds exactly what you called unethical in this comment. (But maybe you were thinking of something else in that context, and I am not seeing the difference?) You basically said that manipulating other people is unethical whether someone is doing it intentionally or not.

β-redex 10 Jan 2026 23:40 UTC
6 points
4
in reply to: Hastings’s comment on: Hastings’s Shortform
I think kamikaze quadcopter drones are bottlenecked on control right now, not power.

One of the biggest innovations thus far, fiber-optic drones, are only necessary because the drones still need low-latency, active human control.

Long range fixed wing kamikaze drones are usually autonomous, but even for those there were reports that taking remote control with FPV goggles can significantly increase accuracy and success rate.

When AI is developed that can control a drone well enough, and runs on a chip that’s economical to put on kamikaze drones, it’s going to be a game changer. ^[1]

Compared to that, I don’t see how recharging en-route will change anything. For fiber-optic drones, landing and waiting for an ambush is already an established tactic. Sitting on a power line instead of the ground is going to make your drone much easier to notice.

For fixed wing drones, Russia’s Shaheds can already easily cover Ukraine, they don’t need more range.
1. ↩︎
  Game changer in the “fucking horrifying” sense of course.

β-redex

Mind the (semantic) gap