1. 1. S. Watanabe, “Time and the Probabilistic View of the World,” The Voices of Time (J.T. Fraser, ed.), New York: Braziller, 1966, p. 527. Also [22] below.
2. 2. L. Brillouin, Life, Matter and Observation, Paris: Albin Michel, 1959.
3. 3. S. Watanabe, “Algebra of Observation,” Progress of Theoretical Physics, Supplement Nos. 37 and 38, (dedicated to Professor Tomonaga), 1966, p. 350.
4. 4. S. Watanabe, “Epistemological Implications of Cybernetics,” in the Proceedings of the XIV International Congress of Philosophy, Vol. II, University of Vienna, 1968, p. 594.
5. 5. H. Feigl, The “Mental ”and the“ Physical”: The Essay and a Postscript, Minneapolis: University of Minnesota Press, 1967.