2 files changed, 17 insertions, 0 deletions
diff --git a/prolog/problems/dcg/digit_2/common.py b/prolog/problems/dcg/digit_2/common.py
new file mode 100644
index 0000000..9b82f15
--- /dev/null
+++ b/prolog/problems/dcg/digit_2/common.py
@@ -0,0 +1,9 @@
+id = 164
+group = 'dcg'
+number = 71
+visible = True
+facts = None
+
+solution = '''\
+digit --> ([0] ; [1] ; [2] ; [3] ; [4] ; [5] ; [6] ; [7] ; [8] ; [9]).
+'''
diff --git a/prolog/problems/dcg/digit_2/en.py b/prolog/problems/dcg/digit_2/en.py
new file mode 100644
index 0000000..200689d
--- /dev/null
+++ b/prolog/problems/dcg/digit_2/en.py
@@ -0,0 +1,8 @@
+id = 164
+name = 'digit/2'
+slug = 'a decimal digit'
+
+description = '''\
+<p>Write a DCG with the starting symbol <code>digit</code> for the language defined by the set of words {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}.</p>'''
+
+hint = {}