is a tertium non-datur world to which there is no alternative
Functional systems are such "worlds". On the one hand, it is not possible to escape them; on the other hand, the multiplicity of such heterogeneous functionalities means that the same event observed in a contexture can also be observed differently. There is neither truth nor error, but only function-bound observations.
It is about the conditions under which a semantics of second-order observation can develop, with social evolution perhaps playing the most important role. It is science that observes the conditions of Second-Order Observation, although it is itself the result of social evolution.
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The transition from reference to observation has emphasized the distinctions that are used to distinguish something from something else.
EMLEIN, Günther, 2017. Das Sinnsystem Seelsorge: Eine Studie zur Frage: Wer tut was, wenn man sagt, dass man sich um die Seele sorgt?. Göttingen: Vandenhoeck & Ruprecht. ISBN 978-3-525-62439-5.
FUCHS, Peter, 2016. Der Fuss des Leuchtturms liegt im Dunkeln: eine ernsthafte Studie zu Sinn und Sinnlosigkeit. Weilerswist: Velbrück Wissenschaft. ISBN 978-3-95832-064-2. pdf 