 Traditional epistemology focuses on topics such as the analysis of the nature of knowledge, usually in terms of justified true beliefs , the sources of knowledge , like perception or testimony, the structure of a body of knowledge, for example in the form of foundationalismor coherentism, and the problem of philosophical skepticism or the question of whether knowledge is possible at all .
<meaning-changed>  Traditional epistemology focuses on topics such as the analysis of the nature of knowledge, usually in terms of justified true beliefs , the sources of knowledge , like perception or testimony, the structure of a body of knowledge, for example in the form of foundationalismor coherentism, and the problem of philosophical skepticism or the question of whether knowledge is possible at all .
 Bayesian epistemology focuses on topics such as the analysis of the nature of knowledge, usually in terms of justified true beliefs , the sources of knowledge , like perception or testimony, the structure of a body of knowledge, for example in the form of foundationalismor coherentism, and the problem of philosophical skepticism or the question of whether knowledge is possible at all .