_:b664333073 . _:b664333073 . _:b664333073 . _:b664333073 "b is a relational quality = Def. for some independent continuants c, d and for some time t: b quality_of c at t & b quality_of d at t. (axiom label in BFO2 Reference: [057-001])"@en . _:b664333073 . _:b664333073 .