diff --git a/elixir/livebook/2024/day5.livemd b/elixir/livebook/2024/day5.livemd
index da9ab3a..c0182e2 100644
--- a/elixir/livebook/2024/day5.livemd
+++ b/elixir/livebook/2024/day5.livemd
@@ -35,11 +35,7 @@ updates = for update <- updates |> String.trim() |> String.split("\n"),
 
 ```elixir
 rule_sorter = fn a, b ->
-  b_precedes_a = Map.get(rules, b, MapSet.new()) |> MapSet.member?(a)
-  cond do 
-    b_precedes_a -> false
-    true -> true
-  end
+  !(Map.get(rules, b, MapSet.new()) |> MapSet.member?(a))
 end
 ```