diff --git a/smocore/include/concept.h b/smocore/include/cologex.h
similarity index 81%
rename from smocore/include/concept.h
rename to smocore/include/cologex.h
index cd3052b..6587ef1 100644
--- a/smocore/include/concept.h
+++ b/smocore/include/cologex.h
@@ -1,5 +1,5 @@
-#ifndef _CONCEPT_H
-#define _CONCEPT_H
+#ifndef _COMBINATORIAL_LOGIC_EXPRESSION_H
+#define _COMBINATORIAL_LOGIC_EXPRESSION_H
 
 #include <vector>
 #include <memory>
@@ -7,7 +7,7 @@
 #include <mentalEntity.h>
 
 namespace smo {
-namespace concepts {
+namespace cologex {
 
 class Comparator
 :	public MentalEntity, public logic::Operand
@@ -43,9 +43,10 @@ public:
 
 };
 
-typedef CombinatorialLogicExpression Concept;
+typedef CombinatorialLogicExpression Cologex;
+typedef CombinatorialLogicExpression Clast;
 
-} // namespace concept
+} // namespace cologex
 } // namespace smo
 
 #endif