Logische Aufbau der Welt ¹ yield to the physicalism of his Logische Syntax der Sprache ² and saw his early deductivism give way to the probabilism of his last 25 years, during which his work in semantics fostered a flowering of modal logic.³ He welcomed real progress and its attendant doctrinal flux from whatever source, others no less than himself. The celebrated "Death of Logical Positivism"⁴ refers to particular doctrines (e.g. phenomenological reductionism) and methods (e.g., syntax) that Carnap and his friends abandoned for reasons rooted in the program itself. Broadcasting out of Europe those of its participants and associates whom it did not kill, Nazi power propagated the movement, which grew and changed rapidly in response to hard challenges." /> After Carnap - Jeffrey Richard C. | sdvig press