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How Terry Tao became an evangelist for AI in math(quantamagazine.org)
92 points by Tomte 3 days ago | 66 comments
dvt 2 hours ago | parent | next [-]

I think Terry Tao is a great litmus test for AI zealotry (both pro- and anti-). Just in this thread, we have people twisting themselves into knots about how he "sold out" or "not doing math the right way" or whatever. To him, AI is a tool, like any other.

From the interviews I've seen with Tao, he's not some AGI maniac, he says things like here's where we can use this tool, here's where it's less likely to be useful. There's a lot of hallucinations, so we need to double check stuff. Most of the stuff the AI produces is nonsense, but there's occasionally a diamond in the rough.

A very tempered attitude, and likely what most sane people are experiencing when using AI.

keybored 26 minutes ago | parent | next [-]

> I think Terry Tao is a great litmus test for AI zealotry (both pro- and anti-). Just in this thread, we have people twisting themselves into knots about how he "sold out" or "not doing math the right way" or whatever. To him, AI is a tool, like any other.

That’s an Anti example. What’s a Pro example?

jplusequalt an hour ago | parent | prev [-]

A smart phone was just a tool at first, but over time society has become overly depedent on them. Most of us are now addicted to our smart phones in one way or another, and that has consequences that play out across society as a whole.

AI not only provides potential to cause society to become overly dependent on it, but it's being developed by/pushed for by the same fucking people who caused our societies smartphone addiction.

Once you recognize what we've lost already, it's hard to turn off your brain and just compartmentalize this away as a "just a tool". Nothing that is adopted so widely is "just a tool," and thinking of it in those terms eliminates the ability to analyze the potential downstream effects it will cause.

dvt an hour ago | parent [-]

> pushed for by the same fucking people who caused our societies smartphone addiction

Not sure where you live, but I would guess the West (where we have the luxury to be worried about "smartphone addiction"). I assure you that the net positive of smartphones, especially cheap Androids, have had a significantly more positive effect on society than negative, particularly in the developing world.

ForgotIdAgain 24 minutes ago | parent | next [-]

I come from a developping country, and this whole schtick about "being concerned by tech addiction is a western luxury" is tiring.

jplusequalt an hour ago | parent | prev [-]

>But I assure you that the net positive of smartphones, especially cheap Androids, have had a significantly more positive effect on society than negative, particularly in the developing world.

My point is that the tool which was meant to augment one particular aspect of life, has metastasized into being a cancer on many other aspects of our lives, and that has downstream consequences on society as a whole.

Keeping this in mind, being a bullish on AI seems foolish.

edit: Perhaps a better thesis for my reservations with rapid technological progress: smart phones were supposed to help us adjust to society, but society instead adjusted to them. AI is positioned to do the same, and we need to ask ourselves what those changes could look like, and if they're for the better, or for the worse.

>where we have the luxury to be worried about "smartphone addiction"

I reject this, and any similar framing that amounts to "because there are other, greater problems at play, worrying about this relatively lesser problem is worthless."

A problem that impacts people is a problem that deserves attention, especially if an absolute terms the number of people impacted are in the tens/hundreds of millions.

2snakes 27 minutes ago | parent [-]

Social constructivism is tougher and tougher than “just tools.” Could the so-called “addictiveness” consist partly of the many other devices smartphones replaced? Sure, some attention economy but also just turn off the data?

YeGoblynQueenne 3 hours ago | parent | prev | next [-]

I should really know better than to say something like that for a figure as revered as Terry Tao, but, he has taken OpenAI's money to shoot an advert for them [1] and, sorry but I can't believe he is entirely unbiased; or very unbiased for that.

_____________________

[1] https://youtu.be/cdflu9ZXZGE?si=f1xi65r7kZM8s1JI

pfortuny 3 hours ago | parent | next [-]

I do not know about this but, to be honest, he (or his Dpt, or whatever) has the money and connections to try the hidden-behind-closed-doors stuff.

We mere mortals (I am a prof. of Maths at Uni) do not.

fn-mote an hour ago | parent [-]

I won’t downvote this thread but … the first paragraph of the article explains how Tao won some $3m award. Unless the going rate for AI-shilling is much higher than I can believe, the amount of money just is not going to be enough to get a world-class figure to suddenly sell out. If you saw him selling his morals regularly in the past, ok I’ll listen to the evidence. But suddenly now? After so long writing (essentially for free) and building community? Doesn’t make sense.

nilkn 4 minutes ago | parent | next [-]

I don't think Terence Tao sold out. However, just looking at it from OpenAI's perspective, this kind of advertising is almost certainly worth at least one order of magnitude more than $3M to the company.

fragmede 23 minutes ago | parent | prev [-]

A $100,000 investment into Anthropic or OpenAI a few years ago would be worth a couple hundred million today, so $3m is ~nothing in that scheme of things.

simianwords an hour ago | parent | prev [-]

"Tao has sold out to the AI grifters to prop up the AI hype bubble" is not a take I expected to see.

I think we can all be a bit grounded and understand reality as we see it -- one of the smartest living mathematicians is using an important invention. Not necessary to believe in any conspiracy theory.

keybored 23 minutes ago | parent [-]

We don’t even need to know addition to understand quid pro quo. (edit Okay we may have to understand both plus and minus here. But that’s it.)

norir 3 days ago | parent | prev | next [-]

Terry Tao is a next level vibe coder: he inspires people to do his vibe coding for him. As someone with a background in advanced math, though never even close to Tao's level, I find myself skeptical about this type of mathematics. I don't personally find it beautiful and it feels like the line between the profound and the trivial (as in of minimal importance not difficulty) is blurry. One could argue for pure mathematics that is of no practical utility but is aesthetically beautiful, but I struggle to see the beauty in a gargantuan lean proof constructed by 100 different people. Perhaps this work will lead to deeper insight about the universe and the human condition, but I catch a whiff of problem solving for the sake of problem solving untethered from a deeper sense of purpose and meaning.

12345ieee 3 hours ago | parent | next [-]

> I struggle to see the beauty in a gargantuan lean proof constructed by 100 different people

Why does it need to be beautiful? Once you proved it it's true and you can use its consequences in math, sciences and engineerings.

pfortuny 3 hours ago | parent | next [-]

Much (most?) of math consists in transmission of it (according to Thurston [1]), a 1000-page proof with no possibility of transmission is mostly useless. The proof of Fermat's last Theorem is important in itself, and adds much more than the mere result.

I am not talking about the supposed "beauty" of a proof (I do not believe in that concept, rather in "elegance", which is not the same), I am talking about the proof itself, and the insights it provides.

[1] https://www.ams.org/journals/bull/1994-30-02/S0273-0979-1994...

cman1444 2 hours ago | parent | next [-]

What is the difference between "beauty" and "elegance" of a proof?

pfortuny 2 hours ago | parent [-]

"Beauty" is something I cannot define. "Elegance", as I use it, is the use of tools as precisely as possible. It is a technical term, whereas "beauty" I cannot define.

Of course, that is my view of it.

simianwords an hour ago | parent | prev [-]

You are mixing a lot of categories here -- beauty, verbosity, utility, elegance, insights.

Why all that when you just need one thing: truth.

zerobees 3 hours ago | parent | prev | next [-]

Outside of some niche specializations like cryptography, math isn't practiced because of "consequences". Most mathematicians take pride in their work not having any obvious practical applications. They're also overwhelmingly working in university settings where they're not expected to generate revenue or deliver practical results.

We basically subsidize the practice of mathematics as an art form, and if you try to take the artistry away, you might find that the artists don't want to play along. And I guess you can imagine future robo-math production lines without any human involvement, and then LLMs finding applications for the resulting theorems, but it's not possible today.

chermi 2 hours ago | parent | next [-]

Most mathematicians don't take pride in their results having no applications. That's just not true. Maybe some quirky pure logicians or something. But otherwise 90%+* of mathematicians I know would be at least satisfied if not thrilled for their work to be used by others.

*Completely made up statistic.

setopt 3 hours ago | parent | prev | next [-]

Are you sure that’s «most» mathematicians?

At the universities I’ve been to (as a student and now faculty), «applied mathematics» and «statistics» have been the two largest divisions. But perhaps that’s a bias from engineering-heavy universities?

jubilanti an hour ago | parent [-]

"Applied Math" and "Statistics" are distinct fields from "Mathematics," not subfields of it. People in those two departments are often closer to Computer Science or the statistics subfield in a domain science field (e.g. biostatistics, econometrics) than to Mathematics in terms of what they actually teach and research.

bigmadshoe 3 hours ago | parent | prev [-]

You put it perfectly. And all these AI math startups don't actually care about mathematics. They are just using it as a proxy for general reasoning, with the VC pitch being some kind of world domination after they crack these problems.

alasr an hour ago | parent | prev | next [-]

> Why does it need to be beautiful?

"Beauty", IMO, signifies the idea that you're doing `something` for its own the sake where "its own sake" approximate the idea of getting/being closer to (or in proximity of) `something`/`anything`/`someone` you find "beautiful".

> Once you proved it it's true and you can use its consequences in math, sciences and engineerings (sic).

The expression "you can use its consequences in ..." suggests that the action is a "just a means" to "something else". However, not everyone is interested in the idea of "something else"; they're interested in the idea itself (in a broad sense) as that's one of the main reason they got started/involved in the first place.

---

We all do things as "just a means" to "something else". However, there must be an "end" to this chain of "something else"; otherwise, how do you find any "meaning" (or sense of fulfillment) in this whole enterprise (or chain of "something else"s)?

jvvw 43 minutes ago | parent | prev | next [-]

The vast majority of research-level pure mathematics is never going to get used in science or engineering. Obviously it is hard to predict what will be useful, but for the type of mathematics that is unlikely to be, there is a question as to why we care about it, and that almost has to come down to beauty in some sense - some mathematics gives us a new lens to look at parts of the mathematical world and others chip away at problems in more mundane ways in the hope that they inspire or contribute to new parts of mathematics that are beautiful.

layer8 2 hours ago | parent | prev | next [-]

You want to understand why it’s true, and that often correlates with beauty.

simianwords an hour ago | parent [-]

How is this relevant here? AI helps you understand the why -- it literally discovers the proof and hands it to you with explanations. It hands you the proof that you would have otherwise not found easily.

layer8 an hour ago | parent [-]

If the proof is hundreds or thousands of lines of Lean, it’s not clear that the AI will be able to provide an insightful “why”, instead of just dozens of microsteps.

And if it can provide insightful “whys”, that still correlates with beauty then.

Given the slop-like nature of what current generative AI tends to produce, I wouldn’t however count on the latter quite yet.

bwestergard 3 hours ago | parent | prev | next [-]

Why prove the Pythagorean theorem rather than just prove 3^2 + 4^2 = 5^2?

For any practical application, you are only interested in finite set of concrete identities, so anything beyond that is surplus to requirements, surely?

spacemanspiffii 3 hours ago | parent | next [-]

I think you may be interested in more abstract things. In this case, let's say you're creating a program for a 3D printed thing, and you have to fit a diagonal cardboard in a rectangular box, you'd like to be sure that the Pythagorean theorem holds even in cases where you haven't tried it out.

moregrist 2 hours ago | parent | prev | next [-]

> For any practical application, you are only interested in finite set of concrete identities

I do a lot of numerical work in settings where computational efficiency is useful.

In my work, most cases you can do numerically using integration or Monte Carlo sampling or whatever.

It’s slow. It often pays to find a closed-form solution. Even if it’s just a starting point that needs refinement.

To put in terms of the Pythagorean theorem: Proving the Pythagorean theorem gives you a relationship that’s reliable, fast to evaluate, and general. Proving individual tuples gives you none of this.

That doesn’t even touch on how theorems give us a glimpse at deeper structure and truths. Proving a bunch of right-triangle tuples will probably never lead you to the rest of the identities in trig.

fn-mote 2 hours ago | parent | prev | next [-]

The current commentators are surely missing the fact that this comment is sarcastic.

SiempreViernes 2 hours ago | parent | prev [-]

You meant this as satire, right?

slopinthebag 2 hours ago | parent | prev [-]

> Why does it need to be beautiful?

“Beauty will save the world”

throwaway67678 3 days ago | parent | prev | next [-]

Arguments about beauty don't lead anywhere constructive because they are too observer- and context-dependent. Poincaré himself was decrying continuous non-differentiable functions as abominations. The monster group is, well, just like that. What feels intellectually ugly for one generation is natural for the next, and the field moves on

potbelly83 3 days ago | parent | next [-]

That's not what op is arguing. To use your example, coming up with singular examples of continuous non-differentiable functions is an example of "ugly" mathematics, whereas putting them into a nice framework where they can be analyzed as a whole (i.e. functional analysis, density of such functions, etc...) is an example "elegant and insightful" mathematics. The same with the monster group, on its own maybe nothing special, but then you have the connections with other branches of math. Tao seems so focused on the individual problems and not their connections/generalizations.

throwaway67678 3 days ago | parent [-]

Well one does have to come up with continuous non-differentiable functions to begin with, right? Weierstrass had to shock the community with his weird series that's almost everywhere nondifferentiable before people could conceive of a nice framework that includes them. People do not invent whole encompassing abstractions out of nowhere

potbelly83 3 days ago | parent [-]

Great point, I think the argument you could make about Tao (fairly or unfairly) is he never tries to build that framework.

Ygg2 3 days ago | parent | prev | next [-]

According to legends Pythagoreans tried to surpress existence of irrational numbers because they couldn't be expressed as ratio of natural numbers

Supposedly even drowned their member that divulged their existence.

zerobees 4 hours ago | parent | prev | next [-]

> Arguments about beauty don't lead anywhere constructive because they are too observer- and context-dependent.

Meh. You can successfully argue that there is no objective anything. It's all just our perception and the emotions we associate with it. We built entire civilizations on subjective notions of good, evil, beauty, and so on. So where do you draw the line between "acceptably subjective" and "too subjective"? And are you sure it's not just a subjective code name for "the thing I don't like"?

Ultimately, people practice mathematics mostly for abstract reasons. It's not a field where you routinely ship products and get rich by meeting market demand. If 99% of contemporary mathematicians don't want to become prompt engineers, there's nothing that makes the transition to AI math inevitable. If not mathematicians, the only party with vested interest in that would be the PR departments of frontier labs.

threethirtytwo 4 hours ago | parent | prev [-]

Agreed, mathematics is ugly without ai. I feel beauty is in massive complexity and intricacy. Every time I see a small proof it feels too easy and trivial. Triviality and simplicity is ugly to me.

zem 3 days ago | parent | prev | next [-]

the analogy with experimental physics is a good one - being sure something is true is a good first step to developing an elegant proof of its truth.

mswphd an hour ago | parent | prev | next [-]

the way to interpret the gigantic lean proof is not by inlining each lemma, looking at all the lines, and thinking "yeah that's a lot". That's also not the way to read a paper.

Instead, you proceed in layers of abstraction. For example

1. the main claim may rest on some set of sub-claims, as well as some local (to teh main claim) work to "patch things together"

2. each of those sub-claims themselves may require other sub-claims + local work, etc

These can be collected into a dependency graph. In lean, this is often called a "blueprint". Here is the blueprint for the formalization of the Polynomial Frieman-Rusza conjecture (now a theorem, by Gowers, Green, Manners, and Tao).

https://teorth.github.io/pfr/blueprint/

This layer of abstractions is (roughly) equivalent a different way to format mathematics. You could remove the Lean component (let alone any AI), and create such a dependency graph for a paper. I would argue this is a clearer way to format mathematics (again, ignoring both the formal verification applications of it, as well as AI).

Any mathematics paper intrinsically has a graph such as this underlying it, and tries to make the various linkages in the graph clear via prose. Prose is only so powerful a way to organize things. I'm sure you're familiar with the way early mathematicians would describe various formula (e.g. the quadratic formula) via prose. It is very hard to understand.

Separately from this dependency-graph perspective, you can do things like

1. add formal verification. Now, each component in the dependency graph is verifiable with high confidence (though harder to write and read). This has some benefits and downsides. Harder to write and read is bad. Being able to have high confidence in the veracity of the result is *very* good. It allows larger collaborations in mathematics. Previously, a large collaboration would require all mathematicians to trust eachother to a large extent. This is (practically) difficult.

2. when each component can now be verified to high accuracy, you can now throw AI at it. I won't extoll the virtue of this. There are parts of it that seem interesting, but many "AI for Math" things currently are stil producing unformalized papers (in prose).

Maybe the main thing I'd say is that this type of "graph structure, with each component trusted" is already implicitly what mathematicians do. You write papers that cite other papers etc. Except now, instead of needing to look for status signals to trust papers (or invest personal effort), you can look for another (honestly fairer) signal to trust papers. So there's a sense in which formalization allows for the democratization of mathematics. I do think there's something beautiful about that.

empath75 4 hours ago | parent | prev | next [-]

I think what people find beautiful in math is largely something that enables the mathematics (or physics) to be translated to something that they can think about intuitively, and what people can handle in an intuitive way is largely an artifact of what the brain evolved to be able to think about "naturally". But it's quite possible that most things that are true about the universe or math are just ugly and unintuitive, and the pursuit of truth shouldn't necessarily be limited by what people can easily reason about and hold in their heads.

Beautiful explanations are lovely when they exist, but we shouldn't wait for them if we can also find the truth through an ugly method.

hashmap 3 hours ago | parent | prev [-]

> One could argue for pure mathematics that is of no practical utility

wait what is the math with no utility

arjie an hour ago | parent | prev | next [-]

Woah, guys, the article is actually super cool. I almost didn't read the article because of the AI thing - I follow him on the microblog networks and I know he's pretty good at using LLMs and so on so that's not interesting. The unique stuff about him and gowers that it points out is there idea for massively parallelizable mathematics problem solving. It's definitely worth a read for how they got the first Polymath publication and afterwards for how they want to use LLMs et al. to do this:

> He predicted that in the future, instead of working alone or in small teams of two or three, mathematicians might work on projects with hundreds of other people at a time. And when these collaborations were over, he said — in his modest, understated way — the results might be checked not by human referees but by computers.

Fascinating stuff. My thought has always been that the AI will accelerate individuals and we'll get something like the economy for music or sports (the top few take almost all the revenue) but this may seem like an alternative pathway that might well develop (if only in Mathematics there) where AI systems drop the coordination cost to near zero by making checking cheap.

So far, and I am not foolish enough to say forever, agents are great at operating in the space of checkables and it's hard to get uniqueness out of them (I haven't succeeded in getting a real laugh from Fable) but perhaps there's a whole class of problems that we can now solve by turning humans into the search units. I love it!

klmarks 4 hours ago | parent | prev | next [-]

Quantamagazine is essentially Renaissance Fund, which is heavily invested in AI.

This is a clever piece reminding people of Tao's pre-AI Lean efforts. Now, however, Tao and especially Gowers are receiving AI money and have AI positions so they are far from unbiased.

Or maybe they have caught Feynman's "computer disease"? Either way, this is a hype piece.

YeGoblynQueenne 3 hours ago | parent | next [-]

Ahem. Define "Pre-AI". Automated theorem proving has been an AI task right from the very beginning with Simon and Newell's Logic Theorist, presented at the Dartmouth workshop in 1956.

Logic Theorist soon proved 38 of the first 52 theorems in chapter 2 of the Principia Mathematica. The proof of theorem 2.85 was actually more elegant than the proof produced laboriously by hand by Russell and Whitehead (2026-03-20: What is called here Theorem 2.85 is, in fact, numbered as 2.53 in the page 107 of the 1963 Cambridge University Press edition (https://www.uhu.es/francisco.moreno/gii_mac/docs/Principia_M...) and which appears, under the same 2.53 number, on page 112 of the 1910 CUP Edition, according to the digitalization on wikibooks (https://en.wikisource.org/wiki/Russell_%26_Whitehead%27s_Pri...)). Simon was able to show the new proof to Russell himself who "responded with delight".[17] They attempted to publish the new proof in The Journal of Symbolic Logic, but it was rejected on the grounds that a new proof of an elementary mathematical theorem was not notable, apparently overlooking the fact that one of the authors was a computer program.[18][17]

https://en.wikipedia.org/wiki/Logic_Theorist#History

Maybe some people only understand "AI" to mean "LLMs" but, particularly in maths, LLMs ain't going nowhere without a symbolic solver (or a human mathematician) verifying their output.

lioeters 2 hours ago | parent [-]

Automath is also an early example.

> Automath ("automating mathematics") is a formal language, devised by Nicolaas Govert de Bruijn starting in 1967, for expressing complete mathematical theories in such a way that an included automated proof checker can verify their correctness.

dogmayor 41 minutes ago | parent | prev | next [-]

Do you mean RenTech? Not sure how you'd know they're heavily invested in anything given the notorious secrecy of the firm. Maybe their public funds have invested in AI, but their most recent 13F shows a 23% tech sector allocation, and their public funds are maybe only half of their total AUM.

Regardless, doubting the legitimacy of Quanta bc it's a Simons Foundation initiative is foolish.

TimorousBestie 3 hours ago | parent | prev [-]

Tao doesn’t seem to have been all that corrupted by the AI money. He’s signatory to the Leiden Declaration after all.

nylonstrung 3 days ago | parent | prev | next [-]

More accurate title would be "Terry Tao Became an Evangelist for Lean"

pvillano 2 hours ago | parent | prev | next [-]

I really look forward to the day AI-driven algorithm design + formal verification becomes the norm for performance critical computing.

A programmer translates a natural-language spec into a machine-readable spec, feeds it to an AI-assisted compiler, and out pops an implementation that's more optimized than any human could ever hope to write, along with a lean proof of its correctness.

jplusequalt 2 hours ago | parent [-]

>A programmer

It won't be a programmer doing this work, because they will have gone the way of the dodo.

It'll be workers specific to a certain domain (e.g. engineer, architect, accountant) doing this on top of their usual work.

The software industry will collapse.

CuriouslyC 28 minutes ago | parent [-]

The architect/accountant won't be doing it either, they'll just be a liability lightning rod for people who are closer to devs than architects doing the actual day to day work. Sort of like a doctor will "manage" a team of nurse practitioners.

ruilov 4 hours ago | parent | prev | next [-]

the smartest people see AI as an incredible tool that enhances their productivity.

big-chungus4 3 hours ago | parent | next [-]

Just like me! I like AI because of how smart I am.

bigfishrunning 2 hours ago | parent [-]

I'm suddenly missing the slashdot mod system. +5 funny.

Jtarii 2 hours ago | parent | prev [-]

There is more to life than productivity.

fasterik 32 minutes ago | parent [-]

Productivity is relative to whatever we value. That could be building things, making art, making scientific discoveries, or delivering food to people in poverty.

Maybe you value non-tangible, non-durable things like experiences. That's great, but it would be weird to tell someone who's devoted their life to X "there's more to life than X." (Replace X with any of the fields mentioned above.)

vitriol83 4 hours ago | parent | prev | next [-]

mathlib and lean are currently too cumbersome for many researchers to use in say algebraic geometry, but maybe more suitable for combinatorics where it has been applied recently.

gosub100 2 hours ago | parent | prev | next [-]

I have a tangent question: is there a formal language definition of mathematical grammar the same way there is for a programming language? If so, is it context sensitive or context free?

I was daydreaming about how someone would model symbolic algebra in computer code, and naively thought it would be easy, but the more I thought about it, it seems to get exponentially (pun intended) more complicated.

brcmthrowaway 2 hours ago | parent | prev | next [-]

It seems Cameron Zwarich has also joined OpenAI

Is there a Lean/OpenAI connection?

cryo32 3 hours ago | parent | prev [-]

And I thought it was cocaine.