Chapter 1 General Introduction
1-2 PramAna VedAnta accepts six sources of knowledge called PramAna. Direct perception: Sense organs directly perceive and give information. Inference: It is an indirect knowledge of something not in the range of direct perception. There is knowledge of fire when smoke is seen. Presumption: Knowledge about something in the past by directly perceiving something different in the present. On seeing a wet street in the morning, there is knowledge of rain in the night. Comparison: It is knowledge of something derived by comparison. There is knowledge of a wild buffalo in the forest because it resembles the buffalo seen in the village. Non-cognition: Knowledge of the absence of something by non-cognition. Seeing a chair in a room gives the knowledge of the absence of an elephant in the room. Testimony: It is knowledge derived from written or spoken words. I read a Physics book Physics to get the knowledge of laws of motion.