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

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

🧪 | Rinha de Backend Lean4

Formalizing "Proofs from THE BOOK"

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

Formalized quantum computing in Lean theorem prover

A Coq library providing tactics to deal with hypothesis

A style guide for Coq

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

Experiments with interactive theorem provers, LLMs and formal systems

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).

An exhaustive condensed detachment formal proof generator for Hilbert systems in proof theory.

A library of formalized automaton algorithms

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

some simple&naive formal proof of trivial Number Theory, using Agda/Coq, just to practice skills