640s BC

Significant people

gollark: Hmm. What accursed logarithmic things *can* occur?
gollark: Oh right, you can convert that to `ln x + ln 2`.
gollark: What if number of repeated applications of `ln(2x)` or something?
gollark: Fascinating.
gollark: Mathological™ sequence idea: number of repeated applications of `ln` required to reach a negative result, for each integer.

References

  1. Potts, D. T. (1999) "The Archaeology of Elam: Formation and Transformation of an Ancient Iranian State" (Cambridge World Archaeology)
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