TY - BOOK AU - Lakatos,Imre AU - Worrall,John AU - Zahar,Elie TI - Proofs and refutations: the logic of mathematical discovery SN - 0521290384 (pbk) : U1 - 164 PY - 1976/// CY - Cambridge PB - The University Press KW - Mathematics KW - Philosophy KW - Logic, Symbolic and mathematical ER -