没有数学家的数学
Mathematics Without Mathematicians

原始链接: https://borretti.me/article/mathematics-without-mathematicians

作者反思了 OpenAI 在解决十大数学难题方面的最新突破,并警告称社会必须正视人工智能(AI)超越人类数学能力的现实。文章批判了常见的“应对机制”,即认为人类仍将引导 AI、甄选其结果,或是将数学保留为一种业余爱好。 作者认为这些辩护是站不住脚的,因为数学是科学进步的根本引擎。与象棋不同,AI 在象棋上的卓越表现并未扰乱人类的体验,因为象棋是一个封闭的系统;而由 AI 驱动的数学将迅速实现发现、架构和科学工程的自动化。这种转变可能会创造一个人类无法理解技术的“鬼魂世界”。此外,随着 AI 充斥该领域,数学的社会语境——即地位、实用性和社区如何维持人类的动力——可能会随之萎缩,从而导致从业者意志消沉。 归根结底,作者挑战了这种轨迹不可避免的观点。在承认加速进步的潜在益处的同时,作者警告我们正在选择一种“浮士德式的交易”(魔鬼的交易),冒着使人类沦为高等实体照料下的“宠物”的风险。文章敦促读者停止轻视这些影响,并认真考量被淘汰的代价。

这篇 Hacker News 讨论帖探讨了“没有数学家的数学”这一概念的影响,即人工智能很快将超越人类进行数学研究的能力。 讨论呈现出两极分化。支持者认为,超人工智能的到来是一个前所未有的历史转折点,标志着从生物进化认知向快速、工程化自我优化的跨越。他们主张,将这些进步贬低为单纯的炒作,是知识精英在传统角色被取代时的一种心理“应对机制”。 批评者则认为,这种论调往往沦为精英主义的辞令与技术乌托邦主义。他们指出: * 现代技术的“魔力”已被普通人所误解;人类知识早已高度碎片化,没有哪个人能真正理解科技的前沿。 * 许多对人工智能的担忧(如失业、权力集中)是基于现实的社会政治关切,而非仅仅是抗拒心态。 * 将人工智能视为不可避免、神一般的力量,这种急躁心态忽略了当前威胁人类进步的实践性、伦理性和社会性弊端。 最终,参与者争论的焦点在于:人类在探索领域中的作用是否即将终结,抑或我们正在进入一个由机器辅助数学研究的全新协作时代。
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原文

Yesterday, OpenAI announced the solution to ten open problems in mathematics, all discovered by a yet-unreleased model. There’s only one, the coding theory one, where I know enough to say “huh, that’s important”, but according to the mathematicians I trust this is important.

Inevitably, people will spin some sophistry to cope, to convince themselves nothing will change. And that’s fine. People need to cope. But we can’t put our heads in the sand forever while the world is transformed around us. So, here is a list of ways people will cope about AI taking over mathematics, and how each cope is likely to be refuted by reality.

My intent is not to horribly depress everyone but rather to help them metabolize the implications of this technology. The arguments here are somewhat portable: replace “mathematics” with “botany” or whatever as needed.

Moving the goalposts.

Obvious and not worth addressing.

“We will direct the AIs, point them at problems and research areas to solve.”

The AIs will exceed humans in taste and intuition. At some point, the human pointing the way will get worse results than the human saying “here’s a proof checker, have fun” and paying for the tokens.

“We will teach the mathematics AI discovers.”

The AIs will be better teachers than the humans. In any case, there won’t be a human audience for expository work of frontier math.

“We will choose how to canonize the results AI discovers.”

This is a nice cope. The AIs are explorers out in the frontiers, the humans gratefully receive their Lean proofs, and then discourse over them, choose which results are relevant, shape those results into a little brick for the great cathedral of algebra. Analogous to the above: the AIs will build the cathedral on their own. They will be better architects than us.

“We will become students of AI mathematics.”

This works until the AIs have blasted so deep into the deductive closure of mathlib that the distance from elementary mathematics to the frontier exceeds what any human can hope to learn in their lifetime, no matter how narrow their focus.

“We need humans to understand the results AI discovers.”

We won’t! This misunderstands who the audience will be. AIs will do frontier math, downstream, AIs will use the new math to do frontier science, finally, AIs will use the new science to do frontier engineering. No human needs to understand any of it, firms that put humans in the loop to understand the results will be outcompeted by those which don’t.

The result is that we will live in a demon-haunted world, full of marvelous devices whose operation we will not understand, based on engineering principles we will not understand, discovered using formalisms we will not understand.

“Computers are already superhuman at chess, yet we still play chess.”

Unlike most copes, I think this one is interesting. Computers are superhuman chess players, yet we don’t care, and continue playing as normal. Why should mathematics be different?

The main reason, I think, is that chess is self-contained: results from chess don’t help us understand the orbits of the planets or the binding of drugs to protein surfaces. But mathematics, famously, is the great dynamo of science, the best language and method for understanding the world. A machine that can replace a human mathematician, but better and faster and cheaper, is materially useful; a better chess engine is not.

If two computers which are superhuman at chess play against each other, who cares? There is little demand for this, so there is no-one to outcompete. A superhuman mathematician is different.

“Mathematics will change, but mathematicians and the mathematically-inclined will still do math on their own.”

I think this ignores that mathematics is embedded in a social context. As an example: when it became clear that AI would eat software, my cope was: “I’m perfectly happy to become an engineering manager to agents in my professional life; in my off time, I can still write code for the pleasure of it.”

And I do. But this cope ignores the effect AI has had on the social context of writing code: the discourse has gotten worse, and vastly more anti-intellectual; people who used to talk about type systems and compilers now talk about “loops” and “harnesses”; you put a hand-created project on GitHub and you get slop PRs; you open a link to an interesting-looking project and find the README is unreadable AI slop. And in the long-term, it is demoralizing to ponder: will anyone design a new programming language? Dually, if I design a new language, will anyone care? If I write a library that introduces an elegant new formalism to solve a particular problem, will anyone use it?

Which is to say: no man is an island. You can do mathematics on your own, but you’ll find that very, very few people can sustain any activity long-term on the basis of intrinsic motivation alone. We are social animals: we care about being useful, about status, about outcomes in the world.

I think I should end on a cheerful note. So let me try. Personally, I don’t believe technology is inevitable. “Inevitable” is a word reserved for the orbits of the planets. Nothing that is the product of human action is inevitable. We can choose to obsolete ourselves, and we can choose not to. We can realize that AGI is a devil’s bargain: we may accelerate technical progress, we may unlock all kinds of wonderful tech tree nodes like life extension earlier than we would otherwise; but the result, in the long run, is that humans become, at best, like pets under the care of vastly more powerful entities.

The future is not certain, but I’ve phrased everything above as definitive for simplicity. If we take the possibility of AGI and ASI seriously, if AI continues to progress as it has for the past ~6 years, I think this is a reasonable view of where things will go.

Probably the best argument against AI progress is “RL doesn’t generalize well, we have seen immense progress in verifiable domains like formalized mathematics and coding, we will see less progress in domains that are intuitive or unformalizable”. Maybe true. But billions of dollars and thousands of very smart people—and, increasingly, very smart models—are being thrown at this problem. How long does this cope last?

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