Proofs and refutations the logic of mathematical discovery /
Lakatos, Imre-1974.
Worrall, John.
Zahar, Elie.
Cambridge Cambridge University Press
1976
'... derived from a series of articles first published in the "British Journal for the Philosophy of Science"... revised and expanded ... substantially' - jacket
Bibliography: p.155-165. - Includes index
ISBN 0-521-29038-4 Pbk : £1.95
Proof theory.