[…], the view that the Whole is more than the sum of the parts had been accepted, although social theories of the kind outlined would have given reason to accept the opposite thesis and to say that the whole is less than the sum of the parts, that it is order as a reductive achievement.
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LUHMANN, Niklas, 2018. Systemtheorie der Gesellschaft. 2. Aufl. Berlin: Suhrkamp. ISBN 978-3-518-58705-8, p. 10–11.
DOT FROM two-level-diagram