Lean

Rarity: Common

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At a glance

Class

Invention

Domain

Science and technology

Knowledge cost

2

In collections

Nobody has pulled it yet.

What Wikipedia says

Lean is a proof assistant and a functional programming language. It is based on the calculus of constructions with inductive types, the foundational type theory developed with the Coq theorem prover, which was renamed to Rocq in 2024. It is a free and open-source software project hosted on GitHub.

Excerpt from the Wikipedia article “Lean (proof assistant)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Lean, Public domain, via Wikimedia Commons.