Nyāya traditionally accepts four Pramanas as reliable means of gaining knowledge – Pratyakṣa (perception), Anumāṇa (inference), Upamāṇa (comparison and analogy) and Śabda (word, testimony of past or present reliable experts).
Nyaya ardah daɣ attarex fal akkoz Pramanas as aqqalan isuj n akarach n musnat - Pratyaksa (akayad), Anumana (inference), Upamana (eket d tulat) d Sabda ( isim, takasit n imusanan wi okaynen d win amarad)