MahāvaggavaggaEkaccaṁatthītikathā

Abhidhammapiṭaka · Kathāvatthu · Vol. 37 · Section 419

[419] P.: Should it not be said: 'Past phenomena (dhammā) whose result has not yet ripened — those exist'? S.: Yes. P.: But surely past phenomena whose result has not yet ripened will ripen? S.: Yes. P.: If past phenomena whose result has not yet ripened will ripen, then indeed, good sir, it must be said: 'Past phenomena whose result has not yet ripened — those exist.' S.: Past phenomena whose result has not yet ripened — do those exist on the ground that 'they will ripen'? P.: Yes. S.: On the ground that 'they will ripen,' are they present? P.: It should not be said thus. … S.: On the ground that 'they will ripen,' are they present? P.: Yes. S.: Present phenomena — do those not exist on the ground that 'they will cease'? P.: It should not be said thus. …

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.