1-15.Hetuduka-micchattaniyatattikaṃ
23. Hetuṃ
M5.221V5.253 micchattaniyataṃ dhammaṃ paṭicca nahetu namicchattaniyato dhammo uppajjati hetupaccayā …( tīṇi ).Hetuṃ sammattaniyataṃ dhammaṃ paṭicca nahetu nasammattaniyato dhammo uppajjati hetupaccayā
T6.195 …( tīṇi ).Nahetuṃ aniyataṃ dhammaṃ paccayā nanahetu naaniyato dhammo uppajjati hetupaccayā … hetuyā tīṇi .