Today's humanity has existed for
about 300,000 years[8] and it can be assumed that it will
continue to exist for another 100,000 years. For
comparison: the Neanderthal culture existed for about
250,000 years. In view of the considerations in Chapter 6.1 on the development stages, where the average service life with &sum Tm = 342,980 years and &sum Tn = 297,292 years, was determined in an initial approach, it can now be defined:
You can assume that an old civilization is at least twice as old as that of of the average service life. This allows following definition:
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