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Temperance is a logic programming library for Common Lisp.

**Temperance is still in development, don't actually try to use this for
anything important yet.  It should be stable by the end of 2016.**

<img src="https://i.imgur.com/EWPGAHa.gif"
     style="border: 1px solid #222; margin: 15px 0px 10px; width: 100%;"/>

Temperance is an implementation of the [Warren Abstract Machine][wam] in Common
Lisp, designed to let you write Lispy Prolog.  Its main goals are:

* Be fast.
* Implement most of vanilla Prolog.
* Execute quickly.
* Interop back and forth with Common Lisp.
* Don't be slow.

Temperance was made with [General Game Playing][] in mind (hence the focus on
performance), but should be useful for anything you might normally use Prolog
for.

[wam]: https://en.wikipedia.org/wiki/Warren_Abstract_Machine
[ggp]: https://en.wikipedia.org/wiki/General_game_playing

* **License:** MIT/X11
* **Documentation:** <http://sjl.bitbucket.org/temperance/>
* **Mercurial:** <http://bitbucket.org/sjl/temperance/>
* **Git:** <http://github.com/sjl/temperance/>
* **Issues:** <http://github.com/sjl/temperance/issues/>

License
-------

Copyright 2016 Steve Losh and contributors.  Licensed as **MIT/X11**.