premise: Epistemology studies the nature of information.
hypothesis: Epistemology . 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 .