Lean 4 programming language and theorem prover

The math library of Lean 4

A library of enterprise-grade AI agents designed to democratize artificial intelligence and provide free, open-source alternatives to overvalued Y Combinator startups. If you are excited about democratizing AI access & AI agents, please star ⭐️ this repository and apply using the link in the readme to join our open source AI research team.

LLMs as Copilots for Theorem Proving in Lean

A collection of formalized statements of conjectures in Lean.

Tool for data extraction and interacting with Lean programmatically.

Topological Fixed-Point Theory: a machine-checked discrete compiler for the Standard Model, α⁻¹, and cosmology from two axioms. Papers, verification suite (Python/Wolfram/Lean), experiments & website.

Neovim support for the Lean theorem prover

Lean theorem proving interface which feels like pen-and-paper proofs.

Server to host Lean games

Scientific computing in Lean 4

Lean Theorem Prover MCP

The "batteries included" extended library for the Lean programming language and theorem prover

White-box automation for Lean 4

Lecture notes for a course on writing proofs, on paper and in the Lean proof assistant

Natural Number Game

Retrieval-Augmented Theorem Provers for Lean

Formally Verified Arguments of Knowledge in Lean

My personal repository of formally verified mathematics.