Hetu

Cittasaṃsaṭṭhasamuṭṭhānānuparivattiṃ dhammaṃ paṭicca cittasaṃsaṭṭhasamuṭṭhānānuparivatti dhammo uppajjati hetupaccayā—  cittasaṃsaṭṭhasamuṭṭhānānuparivattiṃ ekaṃ khandhaṃ paṭicca dve khandhā, dve khandhe…pe…  paṭisandhikkhaṇe…pe… . (Yathā cittasaṃsaṭṭhasamuṭṭhānadukasadisaṃ, ninnānākaraṇaṃ.)