Symbol rho_t

The passage around this formula

…negative where it substitutes synthetic recombination for content that would otherwise have required, and thereby preserved, a human transmission chain. The mechanism Shumailov and colleagues describe operates by pulling $\rho_t$ itself down as the share of machine-mediated content in what gets re-ingested rises: $\rho_t = \rho_h + (\rho_m - \rho_h)\, s_t, \qquad \rho_m < \rho_h$. where $\rho_h$ is ordinary human-to-human transmission fidelity, $\rho_m$ is the fidelity of a machine-mediated re-emission — empirically lower per the tail-collapse result above — and $s_t$…

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