[270] An immaterial phenomenon (arūpī dhammo) is a condition for an immaterial phenomenon by root condition (hetu-paccaya):
Immaterial roots (hetū) are a condition for the associated aggregates (sampayuttakā khandhā) by root condition. At rebirth-linking (paṭisandhi).
An immaterial phenomenon is a condition for a material phenomenon (rūpī dhammo) by root condition:
Immaterial roots are a condition for the mind-originated forms (cittasamuṭṭhāna-rūpa) by root condition. At rebirth-linking.
An immaterial phenomenon is a condition for a material phenomenon and for an immaterial phenomenon by root condition:
Immaterial roots are a condition for the associated aggregates and for the mind-originated forms by root condition. At rebirth-linking.
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.