Axiom completes Lean auto-formalization of the 15,000-page Classification of Finite Simple Groups
akorinek · x · 2026-10-27
Axiom announced a complete Lean auto-formalization of the Classification of Finite Simple Groups (CFSG), billed as the largest math proof in human history now computer-verified.
- CFSG spans about 15,000 pages, built by over 100 mathematicians across generations — dubbed the "periodic table of symmetry."
- Mathematician Ken Ono shared he was brought to tears when the last milestone cleared: his late father, a mathematician who passed in January, introduced him to group theory as a kid, and CFSG defined his college years in the 1980s.
Seen as a major milestone for AI-assisted mathematical formalization.
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