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Published online by Cambridge University Press: 05 January 2009
1 Einleitung: Winter, E., Bernard Bolzano. Ein Lebensbild (1969)Google Scholar; Berg, J. and others, Bolzano-Bibliographie und Editions-prinzipien der Gesamtausgabe (1972)Google Scholar. I reviewed these volumes in Annals of science, xxxii (1975), 179–80.Google Scholar
2 Bolzano's discussion of objects ‘of the same kind’, and of ‘parts’ of sets, is similar in content (and in incoherence, especially concerning intensions and membership vis-à-vis inclusion) to Schröder's theory of ‘consistent manifolds’, which I have discussed in my ‘Wiener on the logics of Russell and Schröder …’, Annals of science, xxxii (1975), 103–32.Google Scholar