MahāvaggavaggaKalyāṇavagga

Abhidhammapiṭaka · Kathāvatthu · Vol. 37 · Section 176

[176] S. Does the person (puggala) who has attained final Nibbāna (parinibbuto) exist in the goal (attha), or does he not exist in the goal? P. He exists in the goal. S. Is the person who has attained final Nibbāna eternal (sassata)? P. It should not be said thus. … P. He does not exist in the goal. S. Is the person who has attained final Nibbāna annihilated (ucchinna)? P. It should not be said thus. …

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.