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Properties of Matter
179
(3) Sprsta gati (touching motion) and asprsta gati (nontouching motion).
(4) Urddhagati (upward motion), adhaḥ gati (downward motion) and tiryag-gati (horizontal motion).1
Some kinds of kriyā (movement or activity) of the worldly souls or beings have been described in the following manner :
(1) samiam eai (samita kampana=limited vibration), (2) veai (vividha kampana=various vibrations or oscillations), (3) calai (calana-gamana=going), (4) phandaei (spandana== pulsation or oscillation), (5) ghattai (samghāta=striking or colliding or friction or sudden pushing), (6) khuvvai (prabalatāpūrvakapraveśa=forcible entry), (7) udirai (pravalatāpūrvakapreraņa=padārthāntara-pratipādana=the act of throwing).2
Some of the rules of patikriyā (motion-activity) are given below :
(1) Anuśreņigati (linear motion or motion in a straight line), (2) (a) ekasamayavigrahagati (curved motion for an instant) and (b) lokānta prāpinigati (motion upto the last border of the Universe), (3) paramāneraniyatā (movement of ultimate atom), (4), (a) cālajaghanya (minimum movement of an ultimate atom from one space-point to another in one samaya= instant), (b) utkrstagati (maximum movement from one last border to another in one samaya=instant), (5) kampanakriyakāla (duration or time of vibration or oscillation-(a) minimum for one samaya, (b) maximum for innumerableth part of āvalikā, and (6) nişkriyakāla (time or durations of non-vibration or non-oscillation)-(a) minimum for one samaya, (b) maximum for countless samayas.
According to the rule, the deśāntaraprāpiņigati (motion from one place to another) takes place in a straight line. But on account of prayogapariņāma ( the applied process of trans
1.. TS Bhā., 2.27-29, pp. 180-82. 2. Bhs. 3. 3. 153.
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