From 5e67abefeac80f06f560ef164a11487b88ee8a53 Mon Sep 17 00:00:00 2001
From: Gabriel De Andrade Duarte <duarte0904@gmail.com>
Date: Thu, 11 Oct 2018 23:47:50 -0300
Subject: [PATCH] fixing the factorial bug

---
 math/factorial/prolog/factorial.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/math/factorial/prolog/factorial.pl b/math/factorial/prolog/factorial.pl
index 82c09c860a..5a4a52ee00 100644
--- a/math/factorial/prolog/factorial.pl
+++ b/math/factorial/prolog/factorial.pl
@@ -34,6 +34,6 @@
 %recursion
 factorial(N, F) :- 
     N1 is N - 1,
-    fat(N1, N2),
+    factorial(N1, N2),
     F is N * N2.