Samkhya, the oldest school of Hindu philosophy prescribes a particular method to analyze knowledge. According to Samkhya, all knowledge is possible through three means of valid knowledgeSarma, Deepak (2011) "Classical Indian Philosophy: A Reader" p. 167 Columbia University PressSamkhya Karika, śloka4 – Pratyakṣa or Dṛṣṭam – direct sense perception, Anumāna – logical inference and Śabda or Āptavacana – verbal testimony.
sAmKHyA, tHe OlDEst SchoOL of hINDu PhiLosophy prEscribeS a paRtIcUlar meTHod to Analyze kNoWledGE. accOrding tO samKhya, all knOWledGE iS pOSsIble tHrougH tHREe mEaNs Of VaLid knowledgesarma, deepAk (2011) "ClAssIcal iNdiaN PhiLoSophY: a reader" p. 167 cOlumbIa uNivErsIty PresSsamKhYA karika, ŚlOKA4 – pRaTyakṢa or DṛṢṬam – diRect sEnSe peRcEpTioN, aNuMāNa – lOgiCAL infeRenCe And śABda Or āpTaVACana – verbal testimoNy.