pre{
	for (p in Target!Package) { 
		delete p ; 
	}
	var Pack  ;
}

rule MergePackage
	merge l : Left!Package with r : Right!Package into t : Target!Package {
	
	t.name = l.name + " and " + r.name;
	Pack := t ; 	
}

rule MergeClass
	merge l : Left!Class with r : Right!Class  into t : Target!Class {
	
	t.name = l.name;
	t.isAbstract = l.isAbstract;
	
	Pack.packagedElement.add(t);
}

rule MergeProperty
	merge l : Left!Property with r : Right!Property into t : Target!Property{
	
	t.name = l.name ; 
}

rule MergeProperty
	merge l : Left!Property with r : Right!Property into t : Target!Property{
	
	t.name = l.name ;
	l.eContainer.equivalent().ownedAttributes.add(t); 	 
}