Of these, the first three were the principal original division, also called त्रयी विद्या || trayī vidyā, that is, 'the triple science' of reciting mantras (Rigveda), performing yajnas (sacrifices) (Yajurveda), and chanting of songs (Samaveda). Atharvaveda consists of | Of these, the first three were the principal original division, also called त्रयी विद्या || trayī vidyā, that is, 'the triple science' of reciting mantras (Rigveda), performing yajnas (sacrifices) (Yajurveda), and chanting of songs (Samaveda). Atharvaveda consists of |