[1289] A trainee phenomenon (sekkho dhammo) is a condition for a neither-trainee-nor-non-trainee phenomenon (nevasekkhānāsekkho dhammo) by dissociation condition (vippayutta-paccaya): conascent, postnascent.
Conascent (sahajāta): trainee aggregates (khandhā) are a condition for forms originated by mind (cittasamuṭṭhāna-rūpa) by dissociation condition.
Postnascent (pacchājāta): trainee aggregates are a condition for this prenascent (purejāta) body by dissociation condition.
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.