2 files changed, 31 insertions, 0 deletions
diff --git a/prolog/problems/lists/palindrome_1/common.py b/prolog/problems/lists/palindrome_1/common.py
new file mode 100644
index 0000000..8929fd9
--- /dev/null
+++ b/prolog/problems/lists/palindrome_1/common.py
@@ -0,0 +1,17 @@
+id = 112
+group = 'lists'
+number = 19
+visible = True
+facts = None
+
+solution = '''\
+conc112([], L, L).
+conc112([H|T], L2, [H|L]) :-
+  conc112(T, L2, L).
+rev112([], []).
+rev112([H|T], R):-
+  rev112(T, R1),
+  conc112(R1, [H], R).
+palindrome(L) :-
+  rev112(L, L).
+'''
diff --git a/prolog/problems/lists/palindrome_1/en.py b/prolog/problems/lists/palindrome_1/en.py
new file mode 100644
index 0000000..c1b8971
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+++ b/prolog/problems/lists/palindrome_1/en.py
@@ -0,0 +1,14 @@
+id = 112
+name = 'palindrome/1'
+slug = 'check if list is a palindrome'
+
+description = '''\
+<p><code>palindrome(L)</code>: the elements of list <code>L</code> are the same when read from the front or back of the list.</p>
+<pre>
+  ?- palindrome([1,2,3,2,1]).
+    true.
+  ?- palindrome([1,2,3]).
+    false.
+</pre>'''
+
+hint = {}