The Tipiṭaka in Three Languages

Mahāvaggavagga › Parihānikathā

Abhidhammapiṭaka · Kathāvatthu · Vol. 37 · Section 198

[198] [Sakavādin:] "Does the Stream-Enterer (sotāpanna) not fall away from the Fruition of Stream-Entry (sotāpatti-phala)?" [Paravādin:] "Yes." [Sakavādin:] "Does the Once-Returner (sakadāgāmī) not fall away from the Fruition of Once-Returning (sakadāgāmi-phala)?" [Paravādin:] "It should not be said thus." …

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places