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The Jawathasutra states that there is a type of minute particles which are also referred to as mind. The first is called bhavaman and the second is called dravyaman.
Q: What is the meaning of sattva and sthavaratva?
A: The power to move from one place to another or to make a movement intentionally, or the absence of such power is called sthavaratva.
Q: Is it true that those living beings that are considered mindless do not possess any type of dravya or bhava mind?
A: They only possess bhavaman.
Q: Then how can all of them be considered as having mind? How is there a division between those with minds and those without?
A: It is in relation to dravyaman. That is, just as a person can have limbs and the ability to walk but cannot walk without the support of a stick, in the same way, although there is bhavaman, a living being cannot think clearly without dravyaman. For this reason, it is acknowledged that dravyaman is primary, and based on bhava and absence, a division is made between those with a mind and those without.
Q: What does the need for a second division imply? Does it mean that all trasa (mobile beings) are with mind and all sthavara (immobile beings) are without mind?
A: No. Among trasa, some may be with mind, but not all; whereas all sthavara are indeed mindless.
There are three categories of sthavara: pruthvikaya (earth-bodies), jalkaya (water-bodies), and vanaspatikaya (plant-bodies), and for trasa, there are tejas-kaya (fire-bodies) and vayukaya (air-bodies).