diff options
Diffstat (limited to 'prolog/problems/family_relations/father_2/en.py')
-rw-r--r-- | prolog/problems/family_relations/father_2/en.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/prolog/problems/family_relations/father_2/en.py b/prolog/problems/family_relations/father_2/en.py index 31517c9..c8a3d74 100644 --- a/prolog/problems/family_relations/father_2/en.py +++ b/prolog/problems/family_relations/father_2/en.py @@ -4,7 +4,7 @@ name = 'father/2' slug = 'the father-child relation' description = '''\ -<p><code>father(X, Y)</code>: <code>X</code> is the father of <code>Y</code>.</p> +<p><code>father(?X, ?Y)</code>: <code>X</code> is the father of <code>Y</code>.</p> <pre> ?- father(thomas, william). true. |