Lean 3's obsolete mathematical components library: please use mathlib4

十分钟魔法练习

formally verified category theory library

The Principia Rewrite

Formalizing "Proofs from THE BOOK"

Variations on Kirby & Paris' hydra battles and other entertaining math in Coq (collaborative, documented, includes exercises) [maintainer=@Casteran]

🧪 | Rinha de Backend Lean4

Formalized quantum computing in Lean theorem prover

A proof-producing SMT/McSat solver, handling polymorphic first-order logic, and using an SMT/McSat core extended using Tableaux, Superposition and Rewriting.

A toy formally-specified Computer Algebra library written in Rust and formalized in Lean 4

Metamath-lamp (Lite Assistant for Metamath Proofs) is a GUI-based proof assistant for creating formal mathematical proofs in Metamath that does not require installation (just run it directly using your web browser).

Experiments with interactive theorem provers, LLMs and formal systems

A Coq library providing tactics to deal with hypothesis

IsarMathLib is a library of formalized mathematics for Isabelle/ZF.

A style guide for Coq

Repository hosting resources for the "Lean Tutorial in Vienna" at TU Wien from September 18 to 20, 2024.

A formalised proof of Fermat's Last Theorem for exponent 3 in the Lean proof assistant.

Convert logical formulas and generate their syntax trees as vector images in SVG format. Structuralize pure C-N formulas, pure D-proofs, and index-based summaries of pure D-proofs into a universal representation that is based on the Standard Galactic Alphabet and digits of the Alteran language of the Stargate franchise.