Epistemology is an element of philosophy that deals with a study of knowledge.
It is a word derived from Greek, episteme (knowledge) & logos ( a study of ).
Epistemology is the study of nature, scope of knowledge & it's justified belief.It deals with nature of knowledge, the truth of knowledge, belief & justification of knowledge.
Epistemology asks questions like:
1) What is knowledge?
2) How is knowledge acquired?
3) What do people know?
4) What makes beliefs justified?
5) How do we understand the concept of justification?
6) Is justification internal or external?
The kind of knowledge usually discussed under epistemology is propositional knowledge.