import /formalisms/SimpleClassDiagrams as SCD

SCD SimpleClassDiagrams{
    Class Any {}
    Class Natural {}
    Class String {}
    Class Class{
        lower_cardinality : Natural
        upper_cardinality : Natural
    }
    Association Association (Class, Class){
        name : String
        source_lower_cardinality : Natural
        source_upper_cardinality : Natural
        target_lower_cardinality : Natural
        target_upper_cardinality : Natural
    }
    Association Inheritance (Class, Class){}
    Inheritance assoc_inh_class (Association, Class) {}
    Inheritance class_inh_any (Class, Any) {}
}