diff --git a/04_Prolog/ex3-summary/ex3.md b/04_Prolog/ex3-summary/ex3.md
new file mode 100644
index 0000000..6c43f93
--- /dev/null
+++ b/04_Prolog/ex3-summary/ex3.md
@@ -0,0 +1,3 @@
+After solving a few puzzles it is a good time to summarize Prolog advantages. 
+
+1. Add Prolog to the table, which summarizes the advantages, disadvantages and typical use cases for different programming paradighms (table created 2 weeks ago for C, C++, Java, javascript...).
\ No newline at end of file