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diff --git a/fuzzylite/fl/rule/Rule.h b/fuzzylite/fl/rule/Rule.h
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+/*
+ Author: Juan Rada-Vilela, Ph.D.
+ Copyright (C) 2010-2014 FuzzyLite Limited
+ All rights reserved
+
+ This file is part of fuzzylite.
+
+ fuzzylite is free software: you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by the Free
+ Software Foundation, either version 3 of the License, or (at your option)
+ any later version.
+
+ fuzzylite is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with fuzzylite.  If not, see <http://www.gnu.org/licenses/>.
+
+ fuzzylite™ is a trademark of FuzzyLite Limited.
+
+ */
+
+#ifndef FL_RULE_H
+#define FL_RULE_H
+
+#include "fl/fuzzylite.h"
+
+#include <map>
+#include <string>
+
+
+namespace fl {
+    class Engine;
+    class Antecedent;
+    class Consequent;
+    class Hedge;
+    class TNorm;
+    class SNorm;
+
+    class FL_API Rule {
+    protected:
+        std::string _text;
+        scalar _weight;
+        FL_unique_ptr<Antecedent> _antecedent;
+        FL_unique_ptr<Consequent> _consequent;
+        std::map<std::string, Hedge*> _hedges;
+
+    public:
+        explicit Rule(const std::string& text = "", scalar weight = 1.0);
+        Rule(const Rule& other);
+        Rule& operator=(const Rule& other);
+        virtual ~Rule();
+        FL_DEFAULT_MOVE(Rule)
+
+        virtual void setText(const std::string& text);
+        virtual std::string getText() const;
+
+        virtual void setWeight(scalar weight);
+        virtual scalar getWeight() const;
+
+        virtual void setAntecedent(Antecedent* antecedent);
+        virtual Antecedent* getAntecedent() const;
+
+        virtual void setConsequent(Consequent* consequent);
+        virtual Consequent* getConsequent() const;
+
+        virtual void addHedge(Hedge* hedge);
+        virtual Hedge* getHedge(const std::string& name) const;
+        virtual Hedge* removeHedge(const std::string& hedge);
+        virtual bool hasHedge(const std::string& name) const;
+        virtual int numberOfHedges() const;
+        virtual void setHedges(const std::map<std::string, Hedge*>& hedges);
+        virtual const std::map<std::string, Hedge*>& hedges() const;
+        virtual std::map<std::string, Hedge*>& hedges();
+
+        virtual scalar activationDegree(const TNorm* conjunction, const SNorm* disjunction) const;
+        virtual void activate(scalar degree, const TNorm* activation) const;
+
+        virtual std::string toString() const;
+
+        virtual bool isLoaded() const;
+        virtual void unload();
+        virtual void load(const Engine* engine);
+        virtual void load(const std::string& rule, const Engine* engine);
+        
+        virtual Rule* clone() const;
+
+        static Rule* parse(const std::string& rule, const Engine* engine);
+
+        static std::string ifKeyword() {
+            return "if";
+        }
+
+        static std::string isKeyword() {
+            return "is";
+        }
+
+        static std::string thenKeyword() {
+            return "then";
+        }
+
+        static std::string andKeyword() {
+            return "and";
+        }
+
+        static std::string orKeyword() {
+            return "or";
+        }
+
+        static std::string withKeyword() {
+            return "with";
+        }
+
+    };
+
+}
+
+
+#endif /* FL_RULE_H */