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Update Lean to v4.31.0#831

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stepchowfun merged 2 commits into
mainfrom
update-lean-4.31.0
Jul 2, 2026
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Update Lean to v4.31.0#831
stepchowfun merged 2 commits into
mainfrom
update-lean-4.31.0

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Update the Lean toolchain from v4.29.1 to v4.31.0 (the latest stable release) and the Mathlib pin to the matching v4.31.0 tag. The remaining changes in lake-manifest.json are the transitive packages inherited from Mathlib, regenerated by lake update.

Status: Ready

Fixes: N/A

🤖 Generated with Claude Code

stepchowfun and others added 2 commits July 2, 2026 04:48
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
The rocq-prover opam package is a virtual package with unversioned
dependencies, so pinning it alone allows opam to install newer
rocq-core/rocq-stdlib versions (e.g., 9.2.0) that break the proofs.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
@stepchowfun stepchowfun merged commit 56fd7e5 into main Jul 2, 2026
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@stepchowfun stepchowfun deleted the update-lean-4.31.0 branch July 2, 2026 18:19
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