RT Book T1 The ethical nature of Karl Popper's theory of knowledge: including Popper's unpublished comments on Bartley and critical rationalism A1 Artigas, Mariano 1938-2006 A2 Slade, Ivan LA English PP Bern Berlin Frankfurt am Main Wien u.a. PB Peter Lang YR 1999 UL https://ixtheo.de/Record/300284918 NO Includes bibliographical references (p. ) CN B1649.P64 SN 3906763102 SN 0820446068 K1 Popper, Karl R : (Karl Raimund) : 1902-1994 K1 Bartley, William Warren : 1934- K1 Popper, Karl Raimund K1 Bartley, William Warren K1 Knowledge, Theory of K1 Ethics