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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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Siddharth 78fe92507c
feat: BitVec lemmas for smtUDiv, smtSDiv when denominator is zero (#5616) 
This PR is a follow-up to https://github.com/leanprover/lean4/pull/5609,
where we add lemmas characterizing `smtUDiv` and `smtSDiv`'s behavior
when the denominator is zero.

We build some `slt` theory, connecting it to `msb` for a clean proof. I
chose not to characterize `slt` in terms of `msb` a `simp` lemma, since
I anticipate use cases where we want to keep the arithmetic
interpretation of `slt`.
2024-11-10 22:08:43 +00:00
.github chore: CI: do not run check-pr-body in merge group 2024-11-09 12:58:53 +01:00
doc chore: CI: bump lycheeverse/lychee-action from 1.9.0 to 2.0.2 (#5959) 2024-11-05 10:41:16 +00:00
images chore(CMakeLists.txt): move Lean logo to make sure we can test leanemacs without installing Lean 2015-01-31 17:38:49 -08:00
nix chore: fix Nix update-stage0 (#5290) 2024-09-09 16:27:24 +00:00
releases_drafts chore: release notes for 4.12.0 (#5549) 2024-10-01 04:07:28 +00:00
script fix: do not link statically against pthread/dl/rt (#5966) 2024-11-05 18:20:42 +00:00
src feat: BitVec lemmas for smtUDiv, smtSDiv when denominator is zero (#5616) 2024-11-10 22:08:43 +00:00
stage0 chore: update stage0 2024-11-03 17:21:54 +00:00
tests fix: bv_decide benchmarks (#6017) 2024-11-09 11:18:33 +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 feat: import LeanSAT's tactic frontends 2024-08-28 18:14:39 +02:00
CMakePresets.json chore: modernize build instructions (#4032) 2024-05-23 10:55:07 +00:00
CODEOWNERS chore: @hargoniX Std.Sat codeowner, fix Kim's user name (#5765) 2024-10-18 11:13:28 +00:00
CONTRIBUTING.md doc: triage 2024-07-26 18:24:06 +02:00
debug.log feat: lake: Reservoir-related configuration for packages (#4770) 2024-09-02 16:07:08 +00:00
flake.lock feat: ship cadical (#4325) 2024-08-23 09:13:27 +00:00
flake.nix chore: CI: build 64-bit platforms consistently with GMP 2024-11-01 22:48:49 +11:00
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 feat: ship cadical (#4325) 2024-08-23 09:13:27 +00:00
README.md doc: mention build doc source location (#4045) 2024-05-01 22:42:54 +00:00
RELEASES.md chore: port release notes for v4.13.0 to master (#5947) 2024-11-05 01:34:52 +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).