We learn how to use product types, structures, recursive function definitions and inductive types in Lean 4. Me and my friend Avi Cramer discuss these topics while we learn and code together.
The Lean book we are following: https://lean-lang.org/functional_prog...
Avi's Website: https://avicraimer.com/
Avi's YouTube: • TypeScript Type Theory - E01 - Lambda Expr...