One Navier–Stokes worth of Lean: ~400k lines of code, 20 hours to compile
ctjlewis · x · 2026-10-07
- Developers formalizing the Navier–Stokes result shared details: the final repo is roughly 400k lines of Lean and takes about 20 hours to compile.
- Small errors kept popping up with each run and had to be remedied, illustrating the real engineering effort behind formalizing frontier-model math results.
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