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mathlib3
Lean 3's obsolete mathematical components library: please use mathlib4mathlib4
The math library of Lean 4lean
Lean 3 Theorem Prover (community fork)mathematics_in_lean
The user home repository for the Mathematics in Lean tutorial.batteries
The "batteries included" extended library for the Lean programming language and theorem proverlean4-metaprogramming-book
tutorials
Some Lean tutorialsaesop
White-box automation for Lean 4lean-liquid
💧 Liquid Tensor Experimentlean4game
Server to host lean games.lean-perfectoid-spaces
Perfectoid spaces in the Lean formal theorem prover.ProofWidgets4
Helper toolkit for creating your own Lean 4 UserWidgetsNNG4
Natural Number Gamequote4
Intuitive, type-safe expression quotations for Lean 4.con-nf
A formal consistency proof of Quine's set theory New Foundationslean-auto
Experiments in automation for Leanlftcm2020
Lean for the Curious Mathematician 2020lean4web
The Lean 4 web editorformat_lean
A Lean file formatteriris-lean
Lean 4 port of Iris, a higher-order concurrent separation logic frameworklean4-mode
Emacs major mode for Lean 4leanprover-community.github.io
Hosts the website for mathlib and other Lean community infrastructure.flt-regular
Fermat's Last Theorem for regular primeslean-client-python
Python talking to the Lean theorem provermathport
Mathport is a tool for porting Lean3 projects to Lean4sphere-eversion
Formalization of the existence of sphere eversionsmathlib-tools
Development tools for https://github.com/leanprover-community/mathlibmathzoo
Lean mathzoorepl
A simple REPL for Lean 4, returning information about errors and sorries.doc-gen
Generate HTML documentation for mathlib and Leanleancrawler
An obsolete python library which gathers statistics and relational information about Lean 3 libraries.llm
Interfacing with Large Language Models (remote and local) from Lean.mathlib3port
Synport output from mathport for mathlib3lean-sensitivity
A formalization of Huang's degree theoremduper
mathlib4_docs
highlightjs-lean
A highlight.js language grammar for the Lean theorem proving language.import-graph
Tool to analyse the import structure of lean projects.blog
Source for the community blogmathlib_docs
Hosts the HTML documentation for mathlib.liquid
Website and documentation for the Liquid Tensor Experimentlt2021
Website for Lean Together 2021plausible
lean-mode-contrib
mathlib-nursery
mathlib-port-status
Tools for managing the status of the portarchive-old
LeanSearchClient
Syntax for searching with natural language from Lean, using https://leansearch.net/ (may extend to other services)logic_and_proof
archive
Replacement for the archive repomathlib_docs_demo
tutorials4
Lean 4 tutorial fileslean3port
Stub for downloading mathport artifacts for Lean 3test-mathport
mathlib_stats
Display gitstats output on the mathlib websitewitt-vectors
azure-scripts
scripts and cron jobs for Azuremathlib-nightly
stores nightly releases of mathlibLove Open Source and this site? Check out how you can help us