19. Hetu

Kismiñci phale diṭṭhasāmatthiyetthe hetu niruḷho. Ekatra hi diṭṭhasāmatthiyottho taṃyoggatāya kāriya (ma)karontopi hetu vuccate sati saha kārinyasati ca vidhurappaccayo papā(ta) to, tena kāriyassa byabhicāro, tenevāha- ‘anipphādayantopī’ti, kāraṇe tatiyāyābhāve kāraṇamāha- ‘takkiriyāyoggatāmatte’ccādi.