The Tipiṭaka in Three Languages

Parittattika

Abhidhammapiṭaka · Paṭṭhāna (2) · Vol. 41 · Section 1460

[1460] An immeasurable phenomenon (appamāṇa dhamma) is a condition for an immeasurable phenomenon … One immeasurable aggregate (khandha) is a condition, by mutuality condition (aññamañña-paccaya), for three aggregates; two aggregates …

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places