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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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Kyle Miller 7cd406f335
fix: check is valid structure projection when pretty printing (#4982) 
For structure projections, the pretty printer assumed that the
expression was type correct. Now it checks that the object being
projected is of the correct type. Such terms appear in type mismatch
errors.

Also, fixes and improves `#print` for structures. The types of
projections now use MessageData (so are now hoverable), and the type of
`self` is now the correct type.

Closes #4670
2024-08-12 15:52:17 +00:00
.github chore: upgrade cache action to silence warnings (#5003) 2024-08-12 15:46:53 +00:00
doc feat: link LibUV (#4963) 2024-08-12 12:33:24 +00:00
images
nix feat: link LibUV (#4963) 2024-08-12 12:33:24 +00:00
releases_drafts chore: begin development cycle for v4.12.0 (#4986) 2024-08-12 00:33:05 +00:00
script feat: link LibUV (#4963) 2024-08-12 12:33:24 +00:00
src fix: check is valid structure projection when pretty printing (#4982) 2024-08-12 15:52:17 +00:00
stage0 chore: update stage0 2024-08-12 14:14:42 +02:00
tests fix: check is valid structure projection when pretty printing (#4982) 2024-08-12 15:52:17 +00:00
.gitattributes chore: Do not hide stage0/src/stdlib_flags.h from diffs 2023-09-13 19:29:25 +02:00
.gitignore feat: support Lake for building Lean core oleans (#3886) 2024-06-13 16:18:24 +00:00
.ignore chore: ignore stage0/ (for rg etc.) 2022-03-18 15:28:20 +01:00
CMakeLists.txt chore: update-stage0-commit cmake target (#3692) 2024-04-04 13:35:53 +00:00
CMakePresets.json chore: modernize build instructions (#4032) 2024-05-23 10:55:07 +00:00
CODEOWNERS chore: update codeowners (#4681) 2024-07-08 07:57:54 +00:00
CONTRIBUTING.md doc: triage 2024-07-26 18:24:06 +02:00
flake.lock chore: deprecate Nix-based build, remove interactive components (#4895) 2024-08-02 09:57:34 +00:00
flake.nix feat: link LibUV (#4963) 2024-08-12 12:33:24 +00:00
lean-toolchain doc: VS Code dev setup (#2961) 2023-11-30 08:35:03 +00:00
lean.code-workspace chore: add the lean4 extension to the vscode workspace (#3059) 2023-12-14 08:58:21 +00:00
LICENSE chore: remove LICENSE header that confused GitHub 2021-11-18 09:42:35 +01:00
LICENSES chore: add GMP license for now 2021-11-18 09:42:35 +01:00
README.md doc: mention build doc source location (#4045) 2024-05-01 22:42:54 +00:00
RELEASES.md chore: begin development cycle for v4.12.0 (#4986) 2024-08-12 00:33:05 +00:00

README.md

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 (documentation source: doc/make/index.md).