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/sets/subset_2/common.py | 13 +++++++++++++
 prolog/problems/sets/subset_2/en.py     | 19 +++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 prolog/problems/sets/subset_2/common.py
 create mode 100644 prolog/problems/sets/subset_2/en.py

(limited to 'prolog/problems/sets/subset_2')

diff --git a/prolog/problems/sets/subset_2/common.py b/prolog/problems/sets/subset_2/common.py
new file mode 100644
index 0000000..7fbbf49
--- /dev/null
+++ b/prolog/problems/sets/subset_2/common.py
@@ -0,0 +1,13 @@
+id = 133
+group = 'sets'
+number = 40
+visible = True
+facts = None
+
+solution = '''\
+subset([], []).
+subset([H|T], [H|T1]) :-
+  subset(T, T1).
+subset([_|T], T1) :-
+  subset(T, T1).
+'''
diff --git a/prolog/problems/sets/subset_2/en.py b/prolog/problems/sets/subset_2/en.py
new file mode 100644
index 0000000..9d9132b
--- /dev/null
+++ b/prolog/problems/sets/subset_2/en.py
@@ -0,0 +1,19 @@
+id = 133
+name = 'subset/2'
+slug = 'generate all subsets of a set'
+
+description = '''\
+<p><code>subset(Set, Subset)</code>: the set <code>Subset</code> is a subset of <code>Set</code>. This predicate should generate all valid solutions, one by one.</p>
+<pre>
+  ?- subset([1,2,3], SS).
+    SS = [1,2,3] ;
+    SS = [1,2] ;
+    SS = [1,3] ;
+    SS = [1] ;
+    SS = [2,3] ;
+    SS = [2] ;
+    SS = [3] ;
+    SS = [].
+</pre>'''
+
+hint = {}
-- 
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