1 files changed, 12 insertions, 0 deletions
diff --git a/prolog/problems/trees/maxt_2/en.py b/prolog/problems/trees/maxt_2/en.py
new file mode 100644
index 0000000..3e15b34
--- /dev/null
+++ b/prolog/problems/trees/maxt_2/en.py
@@ -0,0 +1,12 @@
+id = 143
+name = 'maxT/2'
+slug = 'find the greatest element in a tree'
+
+description = '''\
+<p><code>maxT(Tree, Max)</code>: <code>Max</code> is the greatest element in the tree <code>Tree</code>.</p>
+<pre>
+  ?- maxT(t(1, t(2), t(3)), Max).
+    Max = 3.
+</pre>'''
+
+hint = {}