本日の読書
- C. P. Wormell, "On the Paradoxes of Self-Reference" Mind 67, pp. 267-271
- Herbert A. Simon, The Sciences of the Artificial, 3rd ed., The MIT Press, chapter 8 "The Architecture of Complexity: Hierarchic Systems" (pp. 183-216)
読みかけ
- Niklas Luhmann, Soziale Systeme, Suhrkamp, Kapitel 1 "System und Funktion" (pp. 30-91)
- Niklas Luhmann, John Bednarz, Jr.(translation), Social Systems, Stanford University Press, chapter 1 "System and Function" (pp. 12-58)