R_c25_sadava

derivation · concept: ṣāḍava · 12 attestation(s) · confidence 0.95

ṣāḍava = forme hexatonique (6 svaras) dérivée par omission d'un svara, sous contrainte de non-omission du saṃvādī de l'aṃśa

Body (pseudocode)

FUNCTION form_sadava(jati, amsa): forbidden := {samvadi(amsa)} candidates := jati.svaras \ forbidden IF |candidates| < 6: RETURN NULL # cannot form sadava omit := select_one(candidates, NOT IN {amsa}) # e.g. nisada in sadji sadava_form := jati.svaras \ {omit} ASSERT |sadava_form| == 6 RETURN sadava_form # 14 varieties, 47 amsa-applications attested

Inputs / output

`jati`	—
`amsa`	—
`samvadi_of_amsa`	—

→ scale_form

Evidence (12)

p. vol_II_p018 · #183 « षर्स्वरं षाडवं चतुर्दशविधं सप्तचत्वारिंशत्प्रकारम् »
p. vol_II_p020 · #219 « Its ṣāḍava (form) is (made) through (the omission of) niṣāda. »
p. vol_II_p023 · #253 « षाडवं षड्जहीनं.स्यात्र्यासो गान्धार इष्यते »
p. vol_II_p027 · #300 « because of the negation of the omission of the samvādī »
p. vol_II_p027 · #305 « Forty-seven (svaras) are to be applied in the formation of ṣāḍava. »
p. vol_II_p028 · #307 « in the forty-seven anisas, the formation of ṣāḍava should be carried out »
p. vol_II_p028 · #310 « out of fifty-four, twelve amsas of the four jātis that are always complete and ṣāḍava, should be subtracted. »
p. vol_II_p028 · #313 « Madhyamodicyavā (becomes non-ṣāḍava) with pa »
p. vol_II_p028 · #314 « Out of sixty-three (anisas), nine amsas... should be subtracted. »
p. vol_II_p029 · #318 « when dhaivata is the aṁśa in ṣadjodīcyā there is no ṣāḍava »
p. vol_II_p032 · #350 « When it (ṣāḍjī) is sung as hexatonic, then the sparseness of ṛṣabha »
p. vol_II_p035 · #394 « षाडवे पञ्चमस्यात्पत्वम् »

Other rules on this concept (1)

sadava_tana_category definition Sadava is a category of tānas with six svaras, characterised here as tānas devoid of a single note (

R_c25_sadava

Body (pseudocode)

Inputs / output

Evidence (12)

Other rules on this concept (1)

Other rules in category derivation

Other rules in category `derivation`