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Diffstat (limited to 'prolog/problems/family_relations/ancestor_2/en.py')
-rw-r--r-- | prolog/problems/family_relations/ancestor_2/en.py | 14 |
1 files changed, 14 insertions, 0 deletions
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 = {} |