43Tagebuch 20. XII. 1938 – 25. XII. 1939 [Rudolf Carnap: Tagebücher], Eintrag Di 17. I. 1939

MS für EnzyklopädieB1939@„Foundations of Logic and Mathematics“, Foundations of the Unity of Science 1 (3), 1939IFoundations of the Unity of Science I/3 fertig!

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