Hetu

Sappaccayaṃ abyākataṃ dhammaṃ paṭicca sappaccayo abyākato dhammo uppajjati hetupaccayā. (Saṃkhittaṃ.)

Hetuyā ekaṃ, ārammaṇe ekaṃ…pe…  avigate ekaṃ. (Saṃkhittaṃ.)

Nahetuyā ekaṃ, naārammaṇe ekaṃ, naadhipatiyā ekaṃ. (Sabbattha ekaṃ, saṃkhittaṃ.)