Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
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Kim Morrison a9e6c41b54
feat: allow simplifying dite_not/decide_not with only Decidable (¬p) (#5263)
These lemmas are mostly useful for ensuring confluence of `simp`, but
rarely useful in proofs. However they don't seem to have any negative
impact.
2024-09-09 11:46:20 +00:00
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nix feat: Lake shared library (#5143) 2024-09-09 09:05:54 +00:00
releases_drafts chore: release notes for 4.11.0 (#5221) 2024-09-02 00:19:41 +00:00
script feat: Lake shared library (#5143) 2024-09-09 09:05:54 +00:00
src feat: allow simplifying dite_not/decide_not with only Decidable (¬p) (#5263) 2024-09-09 11:46:20 +00:00
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tests chore: remove @[simp] from List.head_mem and similar (#5271) 2024-09-09 06:05:06 +00:00
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debug.log feat: lake: Reservoir-related configuration for packages (#4770) 2024-09-02 16:07:08 +00:00
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RELEASES.md chore: release notes for 4.11.0 (#5221) 2024-09-02 00:19:41 +00:00

This is the repository for Lean 4.

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Installation

See Setting Up Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean (documentation source: doc/make/index.md).