# Idris learning

This directory contains my experiments when first learning idris.

## File structure

| File                                                       | Description                                   |
| ---------------------------------------------------------- | --------------------------------------------- |
| [./src/My/Nats.idr](./src/My/Nats.idr)                     | Natural numbers                               |
| [./src/My/Signs.idr](./src/My/Signs.idr)                   | Signs (essentially $\mathbb Z / 2 \mathbb Z$) |
| [./src/My/Integers.idr](./src/My/Integers.idr)             | Integers as differences of naturals           |
| [./src/My/Structures.idr](./src/My/Structures.idr)         | Setoids, semigroups, monoids and groups       |
| [./src/My/Syntax/Rewrite.idr](./src/My/Syntax/Rewrite.idr) | Coping with the lack of tactics               |