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    69 repositories

    • mathlib4

      Public
      The math library of Lean 4
      lean4
      Lean
      •
      Apache License 2.0
      •355•1.7k•240•1.2k•Updated Jan 8, 2025Jan 8, 2025

    • con-nf

      Public
      A formal consistency proof of Quine's set theory New Foundations
      set-theorylean4new-foundations
      Lean
      •
      Apache License 2.0
      •6•66•1•0•Updated Jan 8, 2025Jan 8, 2025

    • batteries

      Public
      The "batteries included" extended library for the Lean programming language and theorem prover
      leanlean4
      Lean
      •
      Apache License 2.0
      •108•267•20•57•Updated Jan 8, 2025Jan 8, 2025

    • ProofWidgets4

      Public
      Helper toolkit for creating your own Lean 4 UserWidgets
      leanlean4visualization
      Lean
      •
      Apache License 2.0
      •29•121•15•1•Updated Jan 8, 2025Jan 8, 2025

    • repl

      Public
      A simple REPL for Lean 4, returning information about errors and sorries.
      Lean
      •29•97•12•2•Updated Jan 8, 2025Jan 8, 2025

    • lean-auto

      Public
      Experiments in automation for Lean
      Lean
      •
      Apache License 2.0
      •13•85•7•0•Updated Jan 8, 2025Jan 8, 2025

    • leanprover-community.github.io

      Public
      Hosts the website for mathlib and other Lean community infrastructure.
      CSS
      •
      MIT License
      •124•56•22•10•Updated Jan 8, 2025Jan 8, 2025

    • mathlib_stats

      Public
      Display gitstats output on the mathlib website
      Python
      •5•1•0•0•Updated Jan 8, 2025Jan 8, 2025

    • mathematics_in_lean

      Public
      The user home repository for the Mathematics in Lean tutorial.
      HTML
      •196•296•0•0•Updated Jan 6, 2025Jan 6, 2025

    • plausible

      Public
      Lean
      •
      Apache License 2.0
      •3•28•0•2•Updated Jan 5, 2025Jan 5, 2025

    • aesop

      Public
      White-box automation for Lean 4
      lean4
      Lean
      •
      Apache License 2.0
      •27•221•23•1•Updated Jan 4, 2025Jan 4, 2025

    • import-graph

      Public
      Tool to analyse the import structure of lean projects.
      lean4
      Lean
      •
      Apache License 2.0
      •6•9•1•0•Updated Jan 4, 2025Jan 4, 2025

    • quote4

      Public
      Intuitive, type-safe expression quotations for Lean 4.
      lean4
      Lean
      •
      Apache License 2.0
      •12•77•13•4•Updated Jan 4, 2025Jan 4, 2025

    • duper

      Public
      lean4
      Lean
      •
      Apache License 2.0
      •9•59•0•0•Updated Jan 2, 2025Jan 2, 2025

    • NNG4

      Public
      Natural Number Game
      lean4
      Lean
      •
      Apache License 2.0
      •38•127•16•4•Updated Dec 30, 2024Dec 30, 2024

    • flt-regular

      Public
      Fermat's Last Theorem for regular primes
      Lean
      •
      Apache License 2.0
      •3•52•0•0•Updated Dec 29, 2024Dec 29, 2024

    • lean4game

      Public
      Server to host lean games.
      reactlean4
      TypeScript
      •
      GNU General Public License v3.0
      •40•220•79•7•Updated Dec 28, 2024Dec 28, 2024

    • lean4-metaprogramming-book

      Public
      lean4
      Lean
      •
      Apache License 2.0
      •56•234•16•4•Updated Dec 25, 2024Dec 25, 2024

    • 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•11•1•0•Updated Dec 24, 2024Dec 24, 2024

    • mathlib4_docs

      Public
      lean4
      3•8•0•0•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

    • sphere-eversion

      Public
      Formalization of the existence of sphere eversions
      Lean
      •
      Apache License 2.0
      •11•36•0•0•Updated Dec 15, 2024Dec 15, 2024

    • lean4-mode

      Public
      Emacs major mode for Lean 4
      emacslean4
      Emacs Lisp
      •
      Apache License 2.0
      •29•74•17•2•Updated Dec 12, 2024Dec 12, 2024

    • blog

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

    • lean4web

      Public
      The Lean 4 web editor
      lean4
      TypeScript
      •
      Apache License 2.0
      •22•75•9•2•Updated Nov 24, 2024Nov 24, 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•7•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

    • iris-lean

      Public
      Lean 4 port of Iris, a higher-order concurrent separation logic framework
      Lean
      •
      Apache License 2.0
      •6•71•3•1•Updated Aug 20, 2024Aug 20, 2024

    • mathlib3port

      Public
      Synport output from mathport for mathlib3
      Lean
      •5•11•0•0•Updated Aug 13, 2024Aug 13, 2024