It is an act or an intellectual attemp to judge and determine true and incorrect knowledge, and sit down knowledge in its true place.
Flow in epistimology somewhere else:
1. Empiricism: Knowledge emanates from the senses.
Example: Fire is hot. How do we know that fire was hot? Because we tried to touch flame.
2. Rationalism: Rationality comes from a word to a Ratio meaning reason, and Ism means understanding, because of this, sense is the superior intellect in the mind.
Example: Student are active in discussions in mind and mind
3. Positivism: That was the earliest scientific ever seen in the world of knowledge.
