# Lean learning

This directory contains the results of my first adventure into the world of Lean 4.

## File structure

| File                                      | Description                                             |
| ----------------------------------------- | ------------------------------------------------------- |
| [Noob.lean](./Learning/Noob.lean)         | Syntax practice                                         |
| [Nat.lean](./Learning/Nat.lean)           | Natural numbers                                         |
| [Integers.lean](./Learning/Integers.lean) | Integers as quotient types over differences of naturals |