TY - BOOK AU - Popper,Karl R. TI - Objective knowledge: an evolutionary approach SN - 0198243707 U1 - 121.3 19 PY - 1972///. [Reprinted 1974] CY - Oxford PB - Clarendon Press KW - A priori KW - Knowledge, Theory of KW - Induction (Logic) N1 - Includes bibliographical references; language ER -