#president.head_of_state  the chief executive of a republic
  supertype:  #head_of_state__chief_of_state  the chief public representative of a country who may also be the head of government
  instance:  #Vigdis_Finnbogadottir
  subtype:  #ex-president  a former president

No statement uses or specializes #president.head_of_state; click here to add one.