<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> Epistemology (/ ɪˌpɪstɪˈmɒlədʒi / (listen); from Greek ἐπιστήμη, epistēmē, meaning' knowledge', and λόγος, logos, meaning' logical discourse') is the branch of philosophy concerned with the theory of knowledge . </P> <P> Epistemology studies the nature of knowledge, justification, and the rationality of belief . Much of the debate in epistemology centers on four areas: (1) the philosophical analysis of the nature of knowledge and how it relates to such concepts as truth, belief, and justification, (2) various problems of skepticism, (3) the sources and scope of knowledge and justified belief, and (4) the criteria for knowledge and justification . Epistemology addresses such questions as "What makes justified beliefs justified?", "What does it mean to say that we know something?" and fundamentally "How do we know that we know?" </P>

The term epistemology comes from two greek words that mean
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