all builtin function of empty list
<p>Can anybody explain why in python builtin buinction <code>all</code> return <code>True</code> in this case <code>all([])</code>?</p>

<pre><code>In [33]: all([])
Out[33]: True

In [34]: all([0])
Out[34]: False

In [35]: __builtins__.all([])
Out[35]: True
</code></pre>
