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Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
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Leonardo de Moura 746206c5e6
feat: hover information for grind anchors (#10779) 
This PR implements hover information for `grind` anchors. Anchors are
stable hash codes for referencing terms in the grind state. The anchors
will be used when auto generating tactic scripts. The hover display the
following information:

1- In the `instantiate` tactic, it displays the type of the theorem
being instantiated.
<img width="952" height="125" alt="image"
src="https://github.com/user-attachments/assets/be949b87-cf9b-4f75-abe0-17751295de93"
/>

2- In the `cases` tactic, the hover information depends on the kind of
case-split.
  a) Proposition
<img width="1019" height="125" alt="image"
src="https://github.com/user-attachments/assets/253e2927-f18e-49ab-a8fc-2144657406d8"
/>

b) A hypotheses. In this case, you can opt to replace the anchor with
the hypothesis' name if it is accessible.
<img width="1019" height="178" alt="image"
src="https://github.com/user-attachments/assets/858b3751-4ef9-492d-a42f-c0743753a7de"
/>

c) A term. The hover displays just the type, by `grind` logs a silent
information with additional information
  
<img width="1376" height="148" alt="image"
src="https://github.com/user-attachments/assets/30078ca4-a886-49d9-912e-866f3567b0da"
/>
2025-10-15 02:43:11 +00:00
.claude/commands feat: improvements to release automation (#10777) 2025-10-15 00:28:26 +00:00
.github chore: demote Intel macOS to Tier 2 platform (#10770) 2025-10-14 12:10:06 +00:00
doc test: improve language server test coverage (#10574) 2025-09-30 11:15:03 +00:00
images
releases_drafts chore: updates to release_checklist.md (#7817) 2025-04-04 03:45:36 +00:00
script feat: improvements to release automation (#10777) 2025-10-15 00:28:26 +00:00
src feat: hover information for grind anchors (#10779) 2025-10-15 02:43:11 +00:00
stage0 chore: update stage0 2025-10-14 08:04:41 +00:00
tests feat: hover information for grind anchors (#10779) 2025-10-15 02:43:11 +00:00
.gitattributes fix: mark doc parser tests as eol=lf (#10344) 2025-09-11 11:19:01 +00:00
.gitignore feat: further release automation (#9092) 2025-06-30 05:44:10 +00:00
.gitpod.Dockerfile chore: add gitpod configuration (#6382) 2024-12-15 21:38:13 +00:00
.gitpod.yml chore: add gitpod configuration (#6382) 2024-12-15 21:38:13 +00:00
.ignore chore: ignore stage0/ (for rg etc.) 2022-03-18 15:28:20 +01:00
CMakeLists.txt chore: make USE_LAKE the default (#10016) 2025-08-21 11:43:25 +00:00
CMakePresets.json chore: fix reldebug preset (#8051) 2025-04-23 10:05:11 +00:00
CODEOWNERS chore: make @hargoniX code owner of the compiler (#10732) 2025-10-10 04:43:38 +00:00
CONTRIBUTING.md doc: triage 2024-07-26 18:24:06 +02:00
flake.lock chore: robustify Nix shell (#8141) 2025-04-28 15:08:32 +00:00
flake.nix chore: use lld if available for building core (#10694) 2025-10-08 16:47:30 +00:00
lean-toolchain doc: VS Code dev setup (#2961) 2023-11-30 08:35:03 +00:00
lean.code-workspace chore: lean.code-workspace: always open terminal in root folder (#10745) 2025-10-13 14:12:35 +00:00
LICENSE chore: remove LICENSE header that confused GitHub 2021-11-18 09:42:35 +01:00
LICENSES feat: ship cadical (#4325) 2024-08-23 09:13:27 +00:00
README.md doc: update URLs that are currently pointing to redirects (#10397) 2025-09-17 15:50:07 +00:00
RELEASES.md chore: updates to release_checklist.md (#7817) 2025-04-04 03:45:36 +00:00

README.md

This is the repository for Lean 4.

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Installation

See Install Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.