O'brien, Dan An introduction to the theory of knowledge/ Dan O'brien. - 2nd ed. - Cambridge: Polity Press, c2017. - 234 p.; 25 cm. Includes bibliographical references and index ISBN: 978-0-7456-6432-3 Subjects--Topical Terms: Knowledge, Theory of.Philosophy. Dewey Class. No.: GC 121 O999 2017