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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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Joachim Breitner 0b01ceb3bb
fix: substVars in functional inductions removed valuable information (#3695) 
using the `substVars` tactic on the goal can remove too much
information, as it does not take into account that the `motive` may
depend on the fixed parameters.

This is fixed by etracting `substVar` from `subst` which expects the
`x`, not the `h : x = rhs`, and then using this tactic on the local
declarations _after_ the `motive` exclusively.
2024-03-16 14:55:31 +00:00
.github chore: CI: mark "Build matrix complete" as cancelled if builds cancelled (#3690) 2024-03-15 12:30:48 +00:00
doc feat: thread initialization for reverse FFI (#3632) 2024-03-07 17:02:47 +00:00
images
nix fix: do not dllexport symbols in core static libraries (#3601) 2024-03-15 11:58:34 +00:00
script fix: C++ exceptions across shared libraries on Linux (#3500) 2024-02-26 10:35:11 +00:00
src fix: substVars in functional inductions removed valuable information (#3695) 2024-03-16 14:55:31 +00:00
stage0 chore: update stage0 2024-03-15 16:30:21 +00:00
tests fix: substVars in functional inductions removed valuable information (#3695) 2024-03-16 14:55:31 +00:00
.gitattributes chore: Do not hide stage0/src/stdlib_flags.h from diffs 2023-09-13 19:29:25 +02:00
.gitignore chore: update tests to account for .lake 2023-11-13 20:31:24 -05:00
.ignore chore: ignore stage0/ (for rg etc.) 2022-03-18 15:28:20 +01:00
CMakeLists.txt feat: embed and check githash in .olean (#2766) 2023-11-27 10:24:43 +00:00
CODEOWNERS feat: snapshot trees and language processors (#3014) 2024-03-14 13:40:08 +00:00
CONTRIBUTING.md doc: Adjust contributor's docs to squash merging (#2927) 2023-11-21 10:13:43 +00:00
default.nix
flake.lock chore: Nix bump to LLVM 15 2023-07-28 10:56:54 +02:00
flake.nix chore: Nix: use strings instead of URL literals (#2172) 2023-03-28 10:10:24 +02:00
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
LICENSES
README.md doc: remove nightly and other outdated references (#3027) 2024-01-25 13:53:36 +00:00
RELEASES.md feat: infer termination arguments like xs.size - i (#3666) 2024-03-16 12:27:35 +00:00
shell.nix chore: Nix bump to LLVM 15 2023-07-28 10:56:54 +02:00

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.