Lean 4 - Empowering the Formal Mathematics Revolution and Beyond

Watch a comprehensive colloquium talk from Topos Institute where Leonardo de Moura introduces Lean 4, the latest version of the Lean proof assistant, and discusses its revolutionary impact on formal mathematics. Explore the design principles and objectives behind Lean 4, along with the mission of the newly established Lean Focused Research Organization (FRO). Learn how this proof assistant is transforming mathematical practice by enabling mathematicians to formalize complex theories and proofs with unprecedented ease. Discover the strategies employed to foster decentralized innovation and empower a diverse community of contributors. Gain insights into Lean's dual role as both a proof assistant and functional programming language, understanding how it bridges mathematical and computational aspects. Examine the future roadmap for Lean 4 and the Lean FRO, including plans for expanding the user base, enhancing usability, and extending formal methods' influence in mathematics and computer science.