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diff --git a/fuzzylite/fl/rule/RuleBlock.h b/fuzzylite/fl/rule/RuleBlock.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_RULEBLOCK_H
+#define FL_RULEBLOCK_H
+
+#include "fl/fuzzylite.h"
+
+#include <string>
+#include <vector>
+
+
+namespace fl {
+
+    class Engine;
+    class Rule;
+    class TNorm;
+    class SNorm;
+
+    class FL_API RuleBlock {
+    private:
+        void copyFrom(const RuleBlock& source);
+    protected:
+        std::string _name;
+        std::vector<Rule*> _rules;
+        FL_unique_ptr<TNorm> _conjunction;
+        FL_unique_ptr<SNorm> _disjunction;
+        FL_unique_ptr<TNorm> _activation;
+        bool _enabled;
+
+    public:
+        explicit RuleBlock(const std::string& name = "");
+        RuleBlock(const RuleBlock& other);
+        RuleBlock& operator=(const RuleBlock& other);
+        virtual ~RuleBlock();
+        FL_DEFAULT_MOVE(RuleBlock)
+
+        virtual void activate();
+
+        virtual void setName(std::string name);
+        virtual std::string getName() const;
+
+        virtual void setConjunction(TNorm* conjunction);
+        virtual TNorm* getConjunction() const;
+
+        virtual void setDisjunction(SNorm* disjunction);
+        virtual SNorm* getDisjunction() const;
+
+        virtual void setActivation(TNorm* activation);
+        virtual TNorm* getActivation() const;
+
+        virtual void setEnabled(bool enabled);
+        virtual bool isEnabled() const;
+
+        virtual void unloadRules() const;
+        virtual void loadRules(const Engine* engine);
+        virtual void reloadRules(const Engine* engine);
+
+        virtual std::string toString() const;
+
+        /**
+         * Operations for iterable datatype _rules
+         */
+        virtual void addRule(Rule* rule);
+        virtual void insertRule(Rule* rule, int index);
+        virtual Rule* getRule(int index) const;
+        virtual Rule* removeRule(int index);
+        virtual int numberOfRules() const;
+        virtual void setRules(const std::vector<Rule*>& rules);
+        virtual const std::vector<Rule*>& rules() const;
+        virtual std::vector<Rule*>& rules();
+
+    };
+
+}
+#endif /* RULEBLOCK_H */