Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
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Sebastian Ullrich 357b5f9ed8
chore: CI: restore cache in update-stage0 (#9179)
Avoid rebuilding stage 0 all the time
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.github chore: CI: restore cache in update-stage0 (#9179) 2025-07-03 20:55:14 +00:00
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src refactor: replace some Subarray functions with generic slice functions (#9017) 2025-07-03 19:33:19 +00:00
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tests chore: add a #guard_msgs to tests/lean/run/instanceUsingFalse.lean (#9180) 2025-07-03 20:42:12 +00:00
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This is the repository for Lean 4.

About

Installation

See Setting Up Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.