diff --git a/ibex_SetLeaf.h b/ibex_SetLeaf.h
new file mode 100644
index 000000000..b5007dc62
--- /dev/null
+++ b/ibex_SetLeaf.h
@@ -0,0 +1,90 @@
+//============================================================================
+//                                  I B E X                                   
+// File        : ibex_SetLeaf.h
+// Author      : Gilles Chabert
+// Copyright   : Ecole des Mines de Nantes (France)
+// License     : See the LICENSE file
+// Created     : 13 juil. 2014
+//============================================================================
+
+#ifndef __IBEX_SET_LEAF_H__
+#define __IBEX_SET_LEAF_H__
+
+#include "ibex_SetNode.h"
+
+namespace ibex {
+
+/**
+ * \ingroup iset
+ * \brief Leaf node (i-set representation)
+ */
+class SetLeaf : public SetNode {
+
+public:
+	/**
+	 * \brief Creates a leaf of the given status
+	 */
+	SetLeaf(NodeType status);
+
+	SetLeaf(NodeType status,SetNode* father);
+
+	/**
+	 * \brief Delete this.
+	 */
+	virtual ~SetLeaf();
+
+	/** \see SetNode */
+		/** \see SetNode */
+	virtual bool is_leaf() const;
+
+	/** \see SetNode */
+	virtual SetNode * copy() const;
+
+	/** \see SetNode */
+	virtual void inter(NodeType x_status);
+
+	/** \see SetNode */
+	virtual void _union(NodeType x);
+
+	/** \see SetNode */
+	virtual void oper(SetNode * other,bool op);
+
+	/** \see SetNode */
+	virtual void operator_ir(const IntervalVector& box,const IntervalVector& nodebox, NodeType val,bool op, double eps);
+
+	/** \see SetNode */
+	virtual void operator_ir(const IntervalVector& box,const IntervalVector& subbox, NodeType valin,NodeType valout, bool op,double eps);
+
+	/** \see SetNode */
+	virtual SetNode * fakeLeaf(const IntervalVector& box,const IntervalVector& subbox,NodeType val,bool op, double eps);
+
+	/** \see SetNode */
+	virtual void cleave(const IntervalVector& box, Sep& sep, double eps);
+
+	/** \see SetNode */
+	virtual void gather(bool go_up);
+
+	/** \see SetNode */
+	virtual void cutDeadBranch();
+
+	/** \see SetNode */
+	virtual void checkFat();
+
+	/** \see SetNode */
+	virtual void visit_leaves(leaf_func func, const IntervalVector& nodebox) const;
+
+	/** \see SetNode */
+	virtual void print(std::ostream& os, const IntervalVector& nodebox, int shift) const;
+
+	/** \see SetNode */
+	virtual void setFathers();
+
+
+private:
+	SetLeaf(const SetLeaf&); // forbidden
+
+};
+
+} // namespace ibex
+
+#endif // __IBEX_SET_LEAF_H__