summaryrefslogtreecommitdiff
path: root/prolog/problems/family_relations/brother_2
diff options
context:
space:
mode:
authorAleš Smodiš <aless@guru.si>2015-08-18 16:06:19 +0200
committerAleš Smodiš <aless@guru.si>2015-08-18 16:06:19 +0200
commit95e2fe57f6e4639f6ae9f1fef368829d5090dbf6 (patch)
tree462ba05eb0c4732ca1c97739548801258bf47b40 /prolog/problems/family_relations/brother_2
Exported all problems from the SQLite database into the new directory structure.
Diffstat (limited to 'prolog/problems/family_relations/brother_2')
-rw-r--r--prolog/problems/family_relations/brother_2/common.py13
-rw-r--r--prolog/problems/family_relations/brother_2/en.py13
2 files changed, 26 insertions, 0 deletions
diff --git a/prolog/problems/family_relations/brother_2/common.py b/prolog/problems/family_relations/brother_2/common.py
new file mode 100644
index 0000000..c339644
--- /dev/null
+++ b/prolog/problems/family_relations/brother_2/common.py
@@ -0,0 +1,13 @@
+id = 97
+group = 'family_relations'
+number = 4
+visible = True
+facts = 'family_relations'
+
+solution = '''\
+brother(X, Y) :-
+ parent(P, X),
+ parent(P, Y),
+ male(X),
+ X \== Y.
+'''
diff --git a/prolog/problems/family_relations/brother_2/en.py b/prolog/problems/family_relations/brother_2/en.py
new file mode 100644
index 0000000..8cae8b8
--- /dev/null
+++ b/prolog/problems/family_relations/brother_2/en.py
@@ -0,0 +1,13 @@
+id = 97
+name = 'brother/2'
+slug = 'the brother relation'
+
+description = '''\
+<p><code>brother(X, Y)</code>: <code>X</code> is a brother of <code>Y</code>.</p>
+<pre>
+ ?- brother(jeffrey, X).
+ X = william ;
+ X = sally.
+</pre>'''
+
+hint = {}