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    70 repositories

    • mathlib4

      Public
      The math library of Lean 4
      lean4
      Lean
      •
      Apache License 2.0
      •371•1.7k•238•1.2k•Updated Feb 13, 2025Feb 13, 2025

    • sphere-eversion

      Public
      Formalization of the existence of sphere eversions
      Lean
      •
      Apache License 2.0
      •13•38•0•1•Updated Feb 13, 2025Feb 13, 2025

    • batteries

      Public
      The "batteries included" extended library for the Lean programming language and theorem prover
      leanlean4
      Lean
      •
      Apache License 2.0
      •114•282•21•55•Updated Feb 13, 2025Feb 13, 2025

    • leanprover-community.github.io

      Public
      Hosts the website for mathlib and other Lean community infrastructure.
      CSS
      •
      MIT License
      •129•58•21•10•Updated Feb 13, 2025Feb 13, 2025

    • flt-regular

      Public
      Fermat's Last Theorem for regular primes
      Lean
      •
      Apache License 2.0
      •3•52•0•0•Updated Feb 13, 2025Feb 13, 2025

    • mathematics_in_lean

      Public
      The user home repository for the Mathematics in Lean tutorial.
      HTML
      •205•298•0•0•Updated Feb 13, 2025Feb 13, 2025

    • mathlib_stats

      Public
      Display gitstats output on the mathlib website
      Python
      •6•1•0•0•Updated Feb 13, 2025Feb 13, 2025

    • ProofWidgets4

      Public
      Helper toolkit for creating your own Lean 4 UserWidgets
      leanlean4visualization
      Lean
      •
      Apache License 2.0
      •31•125•14•0•Updated Feb 12, 2025Feb 12, 2025

    • lean4-metaprogramming-book

      Public
      lean4
      Lean
      •
      Apache License 2.0
      •58•235•16•6•Updated Feb 12, 2025Feb 12, 2025

    • aesop

      Public
      White-box automation for Lean 4
      lean4
      Lean
      •
      Apache License 2.0
      •30•235•26•1•Updated Feb 12, 2025Feb 12, 2025

    • mathlib-manual

      Public
      JavaScript
      •
      Apache License 2.0
      •12•0•0•0•Updated Feb 11, 2025Feb 11, 2025

    • lean-auto

      Public
      Experiments in automation for Lean
      Lean
      •
      Apache License 2.0
      •16•91•7•0•Updated Feb 10, 2025Feb 10, 2025

    • import-graph

      Public
      Tool to analyse the import structure of lean projects.
      lean4
      Lean
      •
      Apache License 2.0
      •10•9•3•1•Updated Feb 10, 2025Feb 10, 2025

    • LeanSearchClient

      Public
      Syntax for searching with natural language from Lean, using https://leansearch.net/ (may extend to other services)
      Lean
      •
      Apache License 2.0
      •3•12•1•0•Updated Feb 10, 2025Feb 10, 2025

    • lean4game

      Public
      Server to host lean games.
      reactlean4
      TypeScript
      •
      GNU General Public License v3.0
      •41•233•80•9•Updated Feb 9, 2025Feb 9, 2025

    • repl

      Public
      A simple REPL for Lean 4, returning information about errors and sorries.
      Lean
      •32•101•13•3•Updated Feb 4, 2025Feb 4, 2025

    • quote4

      Public
      Intuitive, type-safe expression quotations for Lean 4.
      lean4
      Lean
      •
      Apache License 2.0
      •13•79•13•6•Updated Feb 4, 2025Feb 4, 2025

    • plausible

      Public
      Lean
      •
      Apache License 2.0
      •4•30•0•2•Updated Feb 3, 2025Feb 3, 2025

    • NNG4

      Public
      Natural Number Game
      lean4
      Lean
      •
      Apache License 2.0
      •39•143•16•2•Updated Feb 1, 2025Feb 1, 2025

    • iris-lean

      Public
      Lean 4 port of Iris, a higher-order concurrent separation logic framework
      Lean
      •
      Apache License 2.0
      •7•76•3•0•Updated Jan 29, 2025Jan 29, 2025

    • lean4-mode

      Public
      Emacs major mode for Lean 4
      emacslean4
      Emacs Lisp
      •
      Apache License 2.0
      •29•76•18•2•Updated Jan 17, 2025Jan 17, 2025

    • lean4web

      Public
      The Lean 4 web editor
      lean4
      TypeScript
      •
      Apache License 2.0
      •23•80•8•0•Updated Jan 13, 2025Jan 13, 2025

    • duper

      Public
      lean4
      Lean
      •
      Apache License 2.0
      •10•61•0•0•Updated Jan 12, 2025Jan 12, 2025

    • con-nf

      Public
      A formal consistency proof of Quine's set theory New Foundations
      set-theorylean4new-foundations
      Lean
      •
      Apache License 2.0
      •7•66•1•0•Updated Jan 8, 2025Jan 8, 2025

    • mathlib4_docs

      Public
      lean4
      3•8•0•1•Updated Dec 18, 2024Dec 18, 2024

    • azure-scripts

      Public
      scripts and cron jobs for Azure
      Python
      •5•1•0•0•Updated Dec 18, 2024Dec 18, 2024

    • blog

      Public
      Source for the community blog
      Python
      •21•6•4•7•Updated Nov 25, 2024Nov 25, 2024

    • mathport

      Public
      Mathport is a tool for porting Lean3 projects to Lean4
      Lean
      •
      Apache License 2.0
      •15•43•33•4•Updated Nov 21, 2024Nov 21, 2024

    • logic_and_proof

      Public
      TeX
      •
      Apache License 2.0
      •2•8•0•0•Updated Nov 16, 2024Nov 16, 2024

    • doc-gen

      Public
      Generate HTML documentation for mathlib and Lean
      documentation-generator
      Python
      •
      Apache License 2.0
      •20•21•23•9•Updated Sep 28, 2024Sep 28, 2024