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-rw-r--r--prolog/problems/trees/memberbt_2/common.py13
1 files changed, 13 insertions, 0 deletions
diff --git a/prolog/problems/trees/memberbt_2/common.py b/prolog/problems/trees/memberbt_2/common.py
new file mode 100644
index 0000000..f0ae0bd
--- /dev/null
+++ b/prolog/problems/trees/memberbt_2/common.py
@@ -0,0 +1,13 @@
+id = 135
+group = 'trees'
+number = 42
+visible = True
+facts = None
+
+solution = '''\
+memberBT(X, b(_, X, _)).
+memberBT(X, b(L, _, _)) :-
+ memberBT(X, L).
+memberBT(X, b(_, _, R)) :-
+ memberBT(X, R).
+'''