diff --git a/examples/inductive.rb b/examples/inductive.rb
index <HASH>..<HASH> 100644
--- a/examples/inductive.rb
+++ b/examples/inductive.rb
@@ -4,7 +4,6 @@ prefix_infix_constant_config = {
   basis: 'basis',
   specs: {
     'basis' => {
-      initial: '^',
       rules: """
       ^ : constant : $
 
@@ -16,7 +15,6 @@ prefix_infix_constant_config = {
       """,
     },
     'open' => {
-      initial: '^',
       rules: """
       ^ : constant / term / reconvene : $
 
diff --git a/lib/moory/logistic.rb b/lib/moory/logistic.rb
index <HASH>..<HASH> 100644
--- a/lib/moory/logistic.rb
+++ b/lib/moory/logistic.rb
@@ -3,7 +3,7 @@ module Moory
     class Unit
       include Moory::Efferent
     
-      def initialize(rules:, initial:)
+      def initialize(rules:, initial:'^')
         @initial = initial
         configure(rules)
       end
Logistic Unit uses '^' as default for initial