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-rw-r--r--prolog/problems/family_relations/father_2/sl.py12
1 files changed, 8 insertions, 4 deletions
diff --git a/prolog/problems/family_relations/father_2/sl.py b/prolog/problems/family_relations/father_2/sl.py
index adb6fd9..4f7f3de 100644
--- a/prolog/problems/family_relations/father_2/sl.py
+++ b/prolog/problems/family_relations/father_2/sl.py
@@ -8,10 +8,14 @@ description = '''\
<pre>
?- father(thomas, william).
true.
-?- father(aleksander, X).
- X = luana ;
- X = daniela.
-</pre>'''
+?- father(aleksander, Y).
+ Y = luana ;
+ Y = daniela.
+</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 = [
'''\