blob: b542ffb7bf434502dc20a79acccf343f90cc5ba3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
|
name = 'descendant/2'
slug = 'the descendant relation'
description = '''\
<p><code>descendant(?X, ?Y)</code>: <code>X</code> is a descendant (child, grandchild, …) of <code>Y</code>.</p>
<pre>
?- descendant(patricia, X).
X = william ;
X = tina ;
X = thomas.
</pre>'''
hint = {}
|