# # Copyright World Wide Web Consortium, (Massachusetts Institute of # Technology, European Research Consortium for Informatics and # Mathematics, Keio University). # # All Rights Reserved. # # Please see the full Copyright clause at # # # Author: Jos De Roo # # Description: # # A property with maximum cardinality of two cannot take # three distinct values on some subject node. # _:a . _:a "2"^^ . _:a . _:a . . . . . . . .