1. Ernst Mach's positivism and phenomenalism were a major influence. 2. A further focus of Stegm�ller's work was phenomenalism . 3. Plato ascribes to Protagoras an early form of what John Wild categorized as phenomenalism . 4. He argues for a sophisticated sense-datum account, although he rejects phenomenalism . 5. This view has similarities with phenomenalism . 6. Waismann rejected both the liberalization of empiricism and the epistemological nonfoundationalism of a move from phenomenalism to physicalism. 7. Phenomenalism is the theory that representations ( or sense data ) of external objects are all that exist.8. Rudolf Carnap, Otto Neurath, Mach's phenomenalism , coherentism over foundationalism, as well as pragmatism and fallibilism. 9. While at Harvard, he won the Bechtel Prize in 1951 for his essay, " A Study of Phenomenalism ". 10. The dominant epistemology of the logical positivists at that time was phenomenalism , in the guise of the theory of sense-data.