The Tipiṭaka in Three Languages

Sāsavadukkusalattika

Abhidhammapiṭaka · Paṭṭhāna (5) · Vol. 44 · Section 1161

[1161] A wholesome phenomenon (dhamma) subject to taints (sāsava) is a condition, by way of root condition (hetu-paccaya), for a wholesome phenomenon subject to taints. A wholesome phenomenon not subject to taints (anāsava) is a condition, by way of root condition, for a wholesome phenomenon not subject to taints.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places