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(iii) Mass or Density (Light, Heavy) The third pair - light (laghu) and heavy (guru) refers to the physical property of mass or density. According to the Jain concept, this pair is acquired by așțasparśī aggregates only, and therefore, the catuhsparśī aggregates are devoid of mass. They are agurulaghu i.e. neither heavy, nor light. When compared with the modern particle physics, it can be said that all catuhsparsi aggregates are in the form of energy and their entire mass is in their motion." "'The paramāņus have only two sparśa: (i) either snigdha or rükșa. (ii) either sita or ūṣna. Comparing these characteristic qualities of pudgala with those of subatomic particles - protons, neutrons, etc., we find that: (i) snigdha (gluey) and rūksa (dry) correspond to the electric
charges + ive and - ive respectively. (ii) while guru (heavy) and laghu (light) correspond to the
quality of 'mass'. Our identification of snigdha and rūksa with + ive and - ive charges is based on the following commentary in Sarvārthasiddhi on sütra 5/24 of Tattvārtha sūtra— "....Snigdha-rūkṣatva-gunanimitto vidyut.......... "'That is, lightning in clouds is produced by the qualities of snigdha and rūkșa, i.e., due to the development of + ive and - ive charges in the clouds. Similarly, the sparśa guru (heaviness) and laghu (lightness) are to be identified with mass. A paramāņu has no mass but it must possess either a+ ive electric charge (snigdhatva) or a - ive electric charge (rukstva). All catuḥsaparái compositions have no mass. In other words, paramāņu pudgala and all catuḥsaparși pudgala are
neither guru nor laghu. They are agurulaghu i.e. without mass." 10. 377arf akta, (col), 5/9. 28 ( FHOSP oalet, 177-3, 408 546 GRI
3an, faqaaput presa 11. (a) Buharidul JEMI MTU 3TITUENT 3771
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tas fH SITT 191, 477–3, 48 513 ( auront pros 3298) 64 C
JAHT U511 3ich 120-121
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