Buddha Abhidhamma - Ultimate Science - BuddhaNet

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2 Vedanupàdànakkhandha –
feeling group consisting of vedanàs associated with 81
lokiya cittas.
3 Sa¤¤upàdànakkhandha –
perception group consisting of sa¤¤às associated with
81 lokiya cittas.
4 Saïkhàrupàdànakkhandha –
group of mental formations; it consists of 50 lokiya
cetasikas other than vedanà and sa¤¤à.
5 Vi¤¤ànupàdànakkhandha –
consciousness group consisting of 81 lokiya cittas.
Reason for Classification of two Types of Khandha
1 In order to show that there are only five groups of
existence and that there are no ego, self, persons or atta,
Buddha classified all the physical and mental phenomena,
whether lokiya or lokuttara, into five groups. This
is His first khandha-desanà.
2 In insight meditation, the lokuttara cittas and their
concomitants are not investigated, because they do not
belong to the group of suffering (dukkha-sacca). Only
lokiya cittas and their concomitants as well as the corporeality
group are investigated in insight meditation,
because they are grasped by upàdàna (lobha and diññhi)
and they are involved in the round of misery. Besides
they possess the characteristics of impermanence
(anicca), suffering (dukkha) and non-self (anatta).
So the Buddha again classified the physical and the mental
phenomena which are grasped by upàdàna into five groups. This
is His second upàdànakhandha-desanà.