https://github.com/average-user/hydra-game
Implementation of the Hydra Game described in the paper Accessible independence results for Peano Arithmetic by L. Kirby and J. Paris.
https://github.com/average-user/hydra-game
Last synced: 12 months ago
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Implementation of the Hydra Game described in the paper Accessible independence results for Peano Arithmetic by L. Kirby and J. Paris.
- Host: GitHub
- URL: https://github.com/average-user/hydra-game
- Owner: Average-user
- License: mit
- Created: 2021-04-02T21:29:45.000Z (about 5 years ago)
- Default Branch: master
- Last Pushed: 2021-04-14T02:29:21.000Z (about 5 years ago)
- Last Synced: 2025-07-06T08:44:00.048Z (12 months ago)
- Language: Haskell
- Size: 306 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# HydraGame
Implementation of the Hydra Game described in the paper
_Accessible independence results for Peano Arithmetic_
by L. Kirby and J. Paris. A good explanation of the rules can be found
[here](https://slate.com/human-interest/2014/06/hydra-game-an-example-of-a-counterintuitive-mathematical-result.html).
## How to use
Use `leftclick` to select a node to chop off, scroll to zoom in or out, and
`leftclick+drag` to translate the picture.
## Installation
Install Haskell's tool [Stack](https://docs.haskellstack.org/en/stable/README/). Then,
inside the repo's main folder run
```
stack setup
stack build
stack exec hydra
```