Lecture notes for a course on writing proofs, on paper and in the Lean proof assistant
Visual Studio Code extension for the Lean 4 proof assistant
A collection of formalized statements of conjectures in Lean.
Extension for VS Code that provides support for the older Lean 3 language. Succeeded by vscode-lean4 ('lean4' in the extensions menu) for the Lean 4 language.
An evaluation benchmark for undergraduate competition math in Lean4, Isabelle, Coq, and natural language.