________________
Jaina Theory of Sound (Sabda)
29
direction when entering a new medium (refraction) may be predicted by using a simple method first proposed by Huygens (1629-169»), a contemporary of Newton 41
According to his principles, "every point on a wave front may be considered to be a new source of disturbance from wbich spherical wavelets issue"" Here is the point which is explained by Jaina philosophy in this manner that paraghala bhaşādravyas (generated sound-particles or waves generated by striking) increases lufinitefold and expand and go 10 a straight line, in & curved line and in a parallel line or in a mixed line to all directions
The outlines of the Jajoa sound theory clearly reveal its scientific appro ach to the problem from the points of view of substantiality and modality in the light of the sound theories of other Indian pbilosophles even in the absence of critical verifying data of modern experimental science
References
(1) "advibexãh tadyathi-sabdatanm tram ", Vyāsabhasya, Satra 19, pāda II "ahan
kārăd Labdataom tranh ", Samkhya Pravacanabhagya, Vilnānabhik su, Chap 1, Sutra, 62
babdascanye nava dvdba ", Abhidharmakosa, Vayubandhu, 1 34 (3) abdalıngavid-şadvisepalingabhāvēcca", Vaisesika Sutra, Kanada, II, I 30
"tatriikasaaya gunah sabdasamkhya," Prasastapādabhasya, p 23 (4) viyadgun atvarh sabdasya
abdo dravyan sattve satyanaśyatvat kalavat " Māname yodaya of Narayana Bhatta, Trivandrum, 1912, p 91 (5) " Ekratyam chanyatra nityadravyebhyah ", Prasastapadabhäsya, p 16
abrotatvam glupave hi na prayojakam syate aannamapi padarthinin akritat vasya samblavat (dikkälaparamánvadınıtyadravyäurekinab kitab mad-aplayante
padarthah kanabhojina" Jayantabhatta's Nyāyamaalari, PL 1, p 210 (6) Studies in Nyāya-Vaiseșika Metaphysics, Dr Sadananda Bhadur, p 167 (7) babyendriyūgrályatvena pratibandhát babdo guno jatimattve sala asmadadıbahya
cikpusapratyakpatvat/gandhavat/yadi tu Diravayavadravyam ayat babyendriyagrū hyam na syat" Vallabha's Nyāyallavati (NLV) pp 274-4, SM (Siddhantamuktavali of Vulva
natha), pp 190–1 (8) NLV and NLVK (Nyqyalılāvat, Kanthabharana), p 275 (9) "antyabcāyam keranatab , Vatsepika Sztra, II, 1, 28, VSU (Valsesika Sutra
Upaskāra) Ibid (10) "ekadravyatvānna dravyam” Valsesika Sutra II, 1, 23 (11) Studies in Nyāya-Valsesika Metaphysics, P 160