From 95e2fe57f6e4639f6ae9f1fef368829d5090dbf6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= Date: Tue, 18 Aug 2015 16:06:19 +0200 Subject: Exported all problems from the SQLite database into the new directory structure. --- prolog/problems/family_relations/descendant_2/common.py | 13 +++++++++++++ prolog/problems/family_relations/descendant_2/en.py | 14 ++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 prolog/problems/family_relations/descendant_2/common.py create mode 100644 prolog/problems/family_relations/descendant_2/en.py (limited to 'prolog/problems/family_relations/descendant_2') 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). +''' diff --git a/prolog/problems/family_relations/descendant_2/en.py b/prolog/problems/family_relations/descendant_2/en.py new file mode 100644 index 0000000..d4ac794 --- /dev/null +++ b/prolog/problems/family_relations/descendant_2/en.py @@ -0,0 +1,14 @@ +id = 101 +name = 'descendant/2' +slug = 'the descendant relation' + +description = '''\ +

descendant(X, Y): X is a descendant (child, grandchild,...) of Y.

+
+  ?- descendant(patricia, X).
+    X = william ;
+    X = tina ;
+    X = thomas.
+
''' + +hint = {} -- cgit v1.2.1