The Tipiṭaka in Three Languages

Paccanīyapaṭṭhāna · Section 179

Abhidhammapiṭaka · Paṭṭhāna (6) · Vol. 45 · Section 179

[179] In the root condition (hetu-paccaya), nine. THE NOT-OF-THE-FORMLESS-SPHERE DYAD (na-arūpāvacaraduka)

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places