W.H. Newton-Smith, Balliol College, Oxford.

• I. The Rational Image II Observation, Theory and Truth III Popper—The Irrational Rationalist IV In Search of the Methodologist’s Stone V T.S. Kuhn: From Revolutionary to Social Democrat VI Feyerabend, the Passionate Liberal VII Theories are Incommensurable? VIII The Thesis of Verisimilitude IX Scientific Method X Strong Programmes XI Temperate Rationalism

W.H. Newton-Smith, Balliol College, Oxford.

• I. The Rational Image II Observation, Theory and Truth III Popper—The Irrational Rationalist IV In Search of the Methodologist’s Stone V T.S. Kuhn: From Revolutionary to Social Democrat VI Feyerabend, the Passionate Liberal VII Theories are Incommensurable? VIII The Thesis of Verisimilitude IX Scientific Method X Strong Programmes XI Temperate Rationalism

W.H. Newton-Smith, Balliol College, Oxford.

• I. The Rational Image II Observation, Theory and Truth III Popper—The Irrational Rationalist IV In Search of the Methodologist’s Stone V T.S. Kuhn: From Revolutionary to Social Democrat VI Feyerabend, the Passionate Liberal VII Theories are Incommensurable? VIII The Thesis of Verisimilitude IX Scientific Method X Strong Programmes XI Temperate Rationalism