revision preference src: Traditional epistemology focuses on topics such as the analysis of the nature of knowledge, usually in terms of justified true beliefs. They then seek to understand what counts as knowledge and how to evaluate one's beliefs (see foundationalism, coherentism, and the problem of philosophical skepticism or the question of whether knowledge is possible at all. <SEP> tgt: 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.