[158] Dependent on a phenomenon (dhamma) that is not to be abandoned by development (na-bhāvanāyapahātabba), a phenomenon that is not to be abandoned by development arises by root condition (hetupaccayā).
Dependent on a phenomenon that is not not-to-be-abandoned-by-development (na-nabhāvanāyapahātabba), a phenomenon that is not not-to-be-abandoned-by-development arises by root condition: three.
Dependent on a phenomenon that is not to be abandoned by development and a phenomenon that is not not-to-be-abandoned-by-development, a phenomenon that is not to be abandoned by development arises by root condition.
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.