APARĀVIDYĀ . Knowledge is of two categories or
types. Viz.
1)
Parāvidyā. That science or knowledge, which helps
us to know or realise Him (Brahma) who is without
either beginning or end, who could neither be seen
with the eyes nor perceived by any of the senses.
(2)
Aparāvidyā. This includes knowledge of the four
Vedas Ṛg, Yajus, Sāma and Atharva, the six Vedāṅgas
(sub-divisions of the Vedas) Śikṣā, Kalpa, Nirukta,
Chandas, Vyākaraṇa, Apidhāna, Mīmāṃsā, Dharma-
śāstra and the purāṇas, as also, Nyāya Śāstra (Logic),
Vaidya Śāstra (medicine) Gandharva Śāstra, Dhanur-
veda and Artha Śāstra (economics).