A treatise concerning the principles of human knowledge ... / by George Berkeley ; edited, with an introduction, by Kenneth Winkler. Berkeley, George, 1685-1753. Winkler, Kenneth, 1950- Knowledge, Theory of. Idealism. B1331 .W56 1982 121 19 BET Includes index. Bibliography: p. xli-xliv. Indianapolis : Hackett Pub. Co., c1982. c1982. 1982 Text xlvi, 105 p. ; eng