diff --git a/DFA.fs b/DFA.fs
index f8fec60..5d599b2 100644
--- a/DFA.fs
+++ b/DFA.fs
@@ -18,7 +18,8 @@ let validateDFA (dfa:DFA) =
         dfa.acceptingStates
         |> List.map (fun x -> List.contains x dfa.states)
         |> List.filter not
-        |> List.length < 1
+        |> List.length
+        |> (<) 1
 
     let deltaIsComplete = 
         // Gets the cartesian product of states * sigma
@@ -31,7 +32,8 @@ let validateDFA (dfa:DFA) =
         // Checks if there is any result from delta which is not
         // a valid state
         |> List.filter (fun x -> not (List.contains x dfa.states))
-        |> List.length < 1
+        |> List.length
+        |> (<) 1
 
     List.contains dfa.beginState dfa.states ||
     allAcceptingStatesAreStates ||