From 138610b0709d6e251c16b391242023eec393d775 Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@fri.uni-lj.si>
Date: Mon, 15 Feb 2016 20:17:49 +0100
Subject: Prolog: add a graph of family relations

---
 prolog/problems/family_relations/grandparent_2/sl.py | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

(limited to 'prolog/problems/family_relations/grandparent_2')

diff --git a/prolog/problems/family_relations/grandparent_2/sl.py b/prolog/problems/family_relations/grandparent_2/sl.py
index bd2d63c..2961ffa 100644
--- a/prolog/problems/family_relations/grandparent_2/sl.py
+++ b/prolog/problems/family_relations/grandparent_2/sl.py
@@ -4,14 +4,19 @@ name = 'grandparent/2'
 slug = 'X je dedek ali babica od Y'
 
 description = '''\
-<p><code>grandparent(?X, ?Y)</code>: <code>X</code> je dedek ali babica od <code>Y</code>.</p>
+<p><code>grandparent(?X, ?Y)</code>: <code>X</code> je dedek ali babica od
+<code>Y</code>.</p>
 <pre>
-?- grandparent(tina, X).
-  X = vanessa ;
-  X = patricia.
+?- grandparent(tina, Y).
+  Y = vanessa ;
+  Y = patricia.
 ?- grandparent(tina, vanessa).
   true.
-</pre>'''
+</pre>
+<p><a target="_blank" href="[%@resource famrel.svg%]">Družinska drevesa</a> so
+podana s predikati <code>parent/2</code>, <code>male/1</code> in
+<code>female/1</code>.</p>
+'''
 
 plan = ['''\
 <p><img src="[%@resource Prolog_grandparent_01.svg%]" alt="Dedek ali babica ima otroka, ki ima otroka." /></p>
-- 
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