diff options
Diffstat (limited to 'prolog/problems/family_relations/descendant_2/common.py')
-rw-r--r-- | prolog/problems/family_relations/descendant_2/common.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/prolog/problems/family_relations/descendant_2/common.py b/prolog/problems/family_relations/descendant_2/common.py new file mode 100644 index 0000000..408b3c7 --- /dev/null +++ b/prolog/problems/family_relations/descendant_2/common.py @@ -0,0 +1,13 @@ +id = 101 +group = 'family_relations' +number = 8 +visible = True +facts = 'family_relations' + +solution = '''\ +descendant(X, Y) :- + parent(Y, X). +descendant(X, Y) :- + parent(Y, Z), + descendant(X, Z). +''' |