Elucidation: The 'RQ' is a relational quality = Def. for some independent continuants 'IC1', 'IC2' and for some time 'T': 'RQ' is quality_of 'IC1' at 'T' AND 'RQ' is quality_of 'IC2' at T. Example of usage: John’s role of husband to Mary is dependent on Mary’s role of wife to John, and both are dependent on the object aggregate comprising John and Mary as member parts joined together through the relational quality of being married.