Epistemology studies the nature of knowledge and the rationality of belief.
Qarah Nav -LRB- قره ناو , also Romanized as Qarah Nav and Qareh Nav -RRB- is a village in Gol Tappeh Rural District , Ziviyeh District , Saqqez County , Kurdistan Province , Iran .. Province. Provinces of Iran. Kurdistan. Kurdistan Province. County. Counties of Iran. Saqqez. Saqqez County. Ziviyeh. Ziviyeh District. Rural District. Rural Districts of Iran. Gol Tappeh. Gol Tappeh Rural District ( Kurdistan Province ). Gol Tappeh Rural District. Gol Tappeh Rural District ( Kurdistan Province ). Ziviyeh District. Ziviyeh District. Saqqez County. Saqqez County. Kurdistan Province. Kurdistan Province. Iran. Iran. At the 2006 census , its population was 156 , in 33 families .