[180] Dependent on a phenomenon (dhamma) that is not of the formless sphere (na-arūpāvacara), a phenomenon that is not of the formless sphere arises by root condition (hetupaccayā): one.
Dependent on a phenomenon that is not not-of-the-formless-sphere (na-na-arūpāvacara), a phenomenon that is not not-of-the-formless-sphere arises by root condition: three.
Dependent on a phenomenon that is not of the formless sphere and a phenomenon that is not not-of-the-formless-sphere, a phenomenon that is not not-of-the-formless-sphere arises by root condition: one.
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.