From 95e2fe57f6e4639f6ae9f1fef368829d5090dbf6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= <aless@guru.si>
Date: Tue, 18 Aug 2015 16:06:19 +0200
Subject: Exported all problems from the SQLite database into the new directory
 structure.

---
 prolog/problems/family_relations/ancestor_2/common.py | 13 +++++++++++++
 prolog/problems/family_relations/ancestor_2/en.py     | 14 ++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 prolog/problems/family_relations/ancestor_2/common.py
 create mode 100644 prolog/problems/family_relations/ancestor_2/en.py

(limited to 'prolog/problems/family_relations/ancestor_2')

diff --git a/prolog/problems/family_relations/ancestor_2/common.py b/prolog/problems/family_relations/ancestor_2/common.py
new file mode 100644
index 0000000..61472b6
--- /dev/null
+++ b/prolog/problems/family_relations/ancestor_2/common.py
@@ -0,0 +1,13 @@
+id = 100
+group = 'family_relations'
+number = 7
+visible = True
+facts = 'family_relations'
+
+solution = '''\
+ancestor(X, Y) :-
+  parent(X, Y).
+ancestor(X, Y) :-
+  parent(X, Z),
+  ancestor(Z, Y).
+'''
diff --git a/prolog/problems/family_relations/ancestor_2/en.py b/prolog/problems/family_relations/ancestor_2/en.py
new file mode 100644
index 0000000..4853e15
--- /dev/null
+++ b/prolog/problems/family_relations/ancestor_2/en.py
@@ -0,0 +1,14 @@
+id = 100
+name = 'ancestor/2'
+slug = 'the ancestor relation'
+
+description = '''\
+<p><code>ancestor(X, Y)</code>: <code>X</code> is an ancestor (parent, grandparent,...) of <code>Y</code>.</p>
+<pre>
+  ?- ancestor(patricia, X).
+    X = john ;
+    X = michael ;
+    X = michelle.
+</pre>'''
+
+hint = {}
-- 
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