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diff --git a/prolog/problems/trees/membert_2/sl.py b/prolog/problems/trees/membert_2/sl.py
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+name = 'memberT/2'
+slug = 'poišči element v drevesu'
+
+description = '''\
+<p><code>memberT(X, T)</code>: <code>X</code> je element drevesa <code>T</code>. Vozlišče drevesa je predstavljeno s strukturo <code>t(E, T1, T2, …)</code>, kjer je <code>E</code> vrednost v vozlišču, kateri sledi poljubno mnogo poddreves. Prazno drevo predstavlja atom <code>nil</code>.</p>
+<pre>
+?- memberT(X, t(3, t(1), t(2))).
+  X = 3 ;
+  X = 1 ;
+  X = 2.
+</pre>'''
+
+hint = {}