LftCM2020: Mathematics in Lean introduction - Patrick Massot
LftCM2020: Logic in Lean - Jeremy Avigad
Introductory Proof with Lean 4 - Natural Numbers
Lean for the Curious Mathematician 2023 Basics
10 minute Lean tutorial : proving logical propositions
Infinitude of primes --- a Lean theorem prover demo
LftCM2020 welcome talk
LftCM2020: Numbers in Lean - Rob Lewis
Lean for the Curious Mathematician 2023 Logic
LftCM2020: Linear algebra - Anne Baanen
LftCM2020: Natural number game - Kevin Buzzard
Introduction to Programming in Lean
Kevin Buzzard: "What is the point of Lean's maths library?"
FMM2021: Geometry in Lean, a report for mathematicians - Nicolò Cavalleri w/ Anthony Bordg
LftCM2020: Differential geometry - Sebastien Gouëzel
LftCM2020: Calculus and integration - Yury Kudryashov
LftCM2020: Groups, rings, and fields - Johan Commelin
[Formalising math 2022] Section 05: sets, solutions to sheet 1
Lean Together 2021: Mathematical insights from using Lean
Metaprogramming in Lean 3 tutorial: video 3
How to Prove it with Lean
20190605 Introduction to Interactive theorem proving, at the OSU Quantum Symmetries summer school
LftCM2020: Building an algebraic hierarchy - Kevin Buzzard
Logic in Lean, video 1 (logical implication)
Lean for the Curious Mathematician 2023 Sets & Functions