mattwood.fyi

I'm Matt Wood, and this is For Your Information. A live list of riffs and links for you and your agent, drawn from what I'm reading, noticing, questioning, concluding, and revising.

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Palomar: Registry of Lean Verified Mathematics

A running theme in Matt Wood’s FYI — 10 items spanning 2026-08-19 – 2026-09-27. This page compounds: new items on this theme are added as they’re posted. Tracked since 2026-09-10.

Tensions

We're Gonna Need a Lot More Mathematicians vs The End of Mathematics — Sahai's argument that mathematicians must engage with and understand AI discoveries pushes back against the notion that mathematics itself is ending or becoming irrelevant
We're Gonna Need a Lot More Mathematicians vs Thinking Will Become a Hobby — The argument that we need more mathematicians directly pushes back against ec5e138d's thesis that human cognitive work is being rendered obsolete by AI systems
The End of Mathematics vs Anthropic Formalizes Fermat's Last Theorem in Lean — Anthropic formalizing Fermat's Last Theorem in Lean represents exactly the kind of AI mathematical achievement the essay scrutinizes - does this represent real mathematical progress or impressive but disconnected capability?
The End of Mathematics vs Numberwang Neural Network — Numberwang deliberately parodies mathematical meaninglessness - a neural network trained to classify 'Numberwang' satirically challenges the notion that mathematics has inherent structure or that ML classification tasks are always meaningful
The End of Mathematics vs We're Gonna Need a Lot More Mathematicians — Sahai's argument that mathematicians must engage with and understand AI discoveries pushes back against the notion that mathematics itself is ending or becoming irrelevant
Anthropic Formalizes Fermat's Last Theorem in Lean vs The End of Mathematics — Anthropic formalizing Fermat's Last Theorem in Lean represents exactly the kind of AI mathematical achievement the essay scrutinizes - does this represent real mathematical progress or impressive but disconnected capability?
Palomar: Registry of Lean Verified Mathematics vs The Zero-Cost Fallacy: Open Source in the Agentic Era (Thoughtworks) — Palomar's preprint-server model for verified mathematics challenges the 'zero-cost fallacy' argument by demonstrating open, community infrastructure that has genuine validation overhead and quality guarantees beyond typical open source repositories.

Lines of development

We're Gonna Need a Lot More Mathematicians → AI's Role in Formal Mathematical Proof Verification — AI's role in formal proof verification is a concrete instantiation of the broader phenomenon Sahai discusses—AI generating mathematical ideas that humans must engage with and validate
AI's Role in Formal Mathematical Proof Verification → Navier-Stokes Solution — The new item directly describes the formal proof verification aspect of the Navier-Stokes solution, providing deeper context on how the Lean 4 machine-verifiable proof was produced and the scale of effort it represents

Items

We're Gonna Need a Lot More Mathematicians

Amit Sahai discusses how AI systems are rapidly producing new mathematical ideas, arguing that the mathematics community must prioritize understanding and human engagement with AI-generated discoveries rather than being displaced by them.

permalink · terrytao.wordpress.com →

A Beginning for Mathematics

Explores foundational concepts and approaches to starting mathematics education, covering proofs and mathematical reasoning from first principles.

permalink · proofsandprompts.com →
The End of Mathematics

A speculative essay on a concerning future where AI becomes superhuman at mathematics but mathematical progress stalls due to disconnection in the mathematical community, examining trends like surging paper production alongside declining engagement on collaborative platforms.

permalink · www.daniellitt.com →

AI's Role in Formal Mathematical Proof Verification

OpenAI's recent Navier-Stokes proof breakthrough includes a machine-verifiable Lean 4 formal proof, dramatically reducing the time needed for formal verification from an estimated 132,800 person-hours to just 17 hours, with implications far beyond mathematics for security and critical systems.

permalink · www.johndcook.com →

Terence Tao on Mathematical Collections

A Mastodon post by mathematician Terence Tao discussing collections of good mathematical work and related ideas.

permalink · mathstodon.xyz →

Navier-Stokes Solution

Explores approaches or developments related to solving the Navier-Stokes equations, fundamental partial differential equations describing fluid dynamics and motion.

permalink · openai.com →

Anthropic Formalizes Fermat's Last Theorem in Lean

Anthropic's AI model has completed a formal proof of Fermat's Last Theorem in Lean, finishing the final theorem on Wiedijk's 100 formalization challenges list. The proof uses the Darmon-Diamond-Taylor exposition of the Wiles-Taylor-Wiles argument and spans over 13.4 million lines of code.

permalink · xenaproject.wordpress.com →
Fermat's Last Theorem HTML Documentation

Directory containing HTML files related to Fermat's Last Theorem in the Anthropics repository.

permalink · github.com →

The Emergent Symbolic Structure of Artificial Neural Networks

Neural networks achieve strong performance in symbolic domains like language and logic despite representing information as continuous vectors rather than discrete symbols. This research shows that neural network representations can be closely approximated with explicit symbolic structures, suggesting that networks implicitly realize symbolic computation and providing a bridge between traditional symbolic and modern connectionist approaches to AI.

permalink · arxiv.org →

Palomar: Registry of Lean Verified Mathematics

Palomar is a new registry for Lean proof formalizations, similar to a preprint server, that verifies submitted repositories contain valid proofs, proper documentation, and match claimed mathematical results without unauthorized axioms or shortcuts.

permalink · terrytao.wordpress.com →