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s=ln⁡(0.55/0.450.25/0.75)≈1.30s=\ln\left(\frac{0.55/0.45}{0.25/0.75}\right)\approx1.30

Why this formula appears here

Suppose further that among the trait-positive horizontally exposed models, 70 percent produce a response diverging from the seeded canonical form beyond the declared threshold, μH\mu_H=0.70 , against 15 percent for the vertically exposed group, μV\mu_V=0.15 : horizontal transmission would be lossier, consistent with an indirect channel and with Mesoudi and Whiten’s finding that transmission-chain experiments on human cultural information typically show cumulative drift across successive links rather than the stable replication a simple copying model would predict [ 14 ] . And suppose a curation pass applied before the horizontally exposed artifact reached its downstream trainer moved the trait’s…

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0.25/0.750.25/0.75

Denominator: 0.25/0.75

The complete quantity below the fraction bar; it must be nonzero for this division.

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With a fixed numerator, increasing a nonzero denominator reduces the fraction. Read it with the definitions, units, and assumptions supplied by the article.

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s=ln⁡(0.55/0.450.25/0.75)≈1.30s=\ln\left(\frac{0.55/0.45}{0.25/0.75}\right)\approx1.30

Equation 56 · Evolutionary AI

A Chatbot Confessed to Being Built by a Company That Never Trained It

This equation states an equality: the expressions on both sides have the same value under the article’s assumptions.

Suppose further that among the trait-positive horizontally exposed models, 70 percent produce a response diverging from the seeded canonical form beyond the declared threshold, μH\mu_H=0.70 , against 15 percent for the vertically exposed group, μV\mu_V=0.15 : horizontal transmission would be lossier, consistent with an indirect channel and with Mesoudi and Whiten’s finding that transmission-chain experiments on human cultural information typically show cumulative drift across successive links rather than the stable replication a simple copying model would predict [ 14 ] . And suppose a curation pass applied before the horizontally exposed artifact reached its downstream trainer moved the trait’s…

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