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    70 repositories

    • mathlib4

      Public
      The math library of Lean 4
      lean4
      Lean
      •
      Apache License 2.0
      •373•1.8k•237•1.3k•Updated Feb 25, 2025Feb 25, 2025

    • batteries

      Public
      The "batteries included" extended library for the Lean programming language and theorem prover
      leanlean4
      Lean
      •
      Apache License 2.0
      •115•283•21•56•Updated Feb 25, 2025Feb 25, 2025

    • duper

      Public
      lean4
      Lean
      •
      Apache License 2.0
      •10•62•0•0•Updated Feb 25, 2025Feb 25, 2025

    • lean-auto

      Public
      Experiments in automation for Lean
      Lean
      •
      Apache License 2.0
      •16•92•7•0•Updated Feb 25, 2025Feb 25, 2025

    • lean4game

      Public
      Server to host lean games.
      reactlean4
      TypeScript
      •
      GNU General Public License v3.0
      •42•237•86•4•Updated Feb 25, 2025Feb 25, 2025

    • quote4

      Public
      Intuitive, type-safe expression quotations for Lean 4.
      lean4
      Lean
      •
      Apache License 2.0
      •13•79•13•7•Updated Feb 25, 2025Feb 25, 2025

    • lean4web

      Public
      The Lean 4 web editor
      lean4
      TypeScript
      •
      Apache License 2.0
      •26•82•7•0•Updated Feb 25, 2025Feb 25, 2025

    • aesop

      Public
      White-box automation for Lean 4
      lean4
      Lean
      •
      Apache License 2.0
      •30•240•26•1•Updated Feb 25, 2025Feb 25, 2025

    • flt-regular

      Public
      Fermat's Last Theorem for regular primes
      Lean
      •
      Apache License 2.0
      •3•52•0•0•Updated Feb 25, 2025Feb 25, 2025

    • leanprover-community.github.io

      Public
      Hosts the website for mathlib and other Lean community infrastructure.
      CSS
      •
      MIT License
      •133•58•22•11•Updated Feb 25, 2025Feb 25, 2025

    • mathlib_stats

      Public
      Display gitstats output on the mathlib website
      Python
      •6•1•0•0•Updated Feb 25, 2025Feb 25, 2025

    • ProofWidgets4

      Public
      Helper toolkit for creating your own Lean 4 UserWidgets
      leanlean4visualization
      Lean
      •
      Apache License 2.0
      •32•126•14•0•Updated Feb 23, 2025Feb 23, 2025

    • mathematics_in_lean

      Public
      The user home repository for the Mathematics in Lean tutorial.
      HTML
      •211•302•0•0•Updated Feb 21, 2025Feb 21, 2025

    • iris-lean

      Public
      Lean 4 port of Iris, a higher-order concurrent separation logic framework
      Lean
      •
      Apache License 2.0
      •8•82•3•1•Updated Feb 20, 2025Feb 20, 2025

    • sphere-eversion

      Public
      Formalization of the existence of sphere eversions
      Lean
      •
      Apache License 2.0
      •13•38•0•0•Updated Feb 17, 2025Feb 17, 2025

    • logic_and_proof

      Public
      TeX
      •
      Apache License 2.0
      •2•8•0•0•Updated Feb 17, 2025Feb 17, 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 17, 2025Feb 17, 2025

    • NNG4

      Public
      Natural Number Game
      lean4
      Lean
      •
      Apache License 2.0
      •39•147•20•2•Updated Feb 17, 2025Feb 17, 2025

    • mathlib4_docs

      Public
      lean4
      3•8•0•0•Updated Feb 16, 2025Feb 16, 2025

    • azure-scripts

      Public
      scripts and cron jobs for Azure
      Python
      •5•1•0•0•Updated Feb 14, 2025Feb 14, 2025

    • lean4-metaprogramming-book

      Public
      lean4
      Lean
      •
      Apache License 2.0
      •60•236•16•7•Updated Feb 12, 2025Feb 12, 2025

    • mathlib-manual

      Public
      JavaScript
      •
      Apache License 2.0
      •13•0•0•0•Updated Feb 11, 2025Feb 11, 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•14•1•0•Updated Feb 10, 2025Feb 10, 2025

    • repl

      Public
      A simple REPL for Lean 4, returning information about errors and sorries.
      Lean
      •36•103•13•4•Updated Feb 4, 2025Feb 4, 2025

    • plausible

      Public
      Lean
      •
      Apache License 2.0
      •4•30•1•2•Updated Feb 3, 2025Feb 3, 2025

    • lean4-mode

      Public
      Emacs major mode for Lean 4
      emacslean4
      Emacs Lisp
      •
      Apache License 2.0
      •31•79•19•3•Updated Jan 17, 2025Jan 17, 2025

    • con-nf

      Public
      A formal consistency proof of Quine's set theory New Foundations
      set-theorylean4new-foundations
      Lean
      •
      Apache License 2.0
      •7•67•1•0•Updated Jan 8, 2025Jan 8, 2025

    • 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

    • 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