$$\text{mismatch confirmed} \iff \text{mechanism specified} \;\land\; \text{novelty dated} \;\land\; \text{causal link demonstrated}$$

Equation 1 · Evolutionary Psychology

Stone-Age Minds in Traffic

This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.

Put those three pieces together and a real audit standard falls out, rather than having to be invented from nothing. A mismatch claim earns the name only if it specifies, first, an evolved mechanism — not “the brain” in general, but a particular system with a describable function; second, an environmental novelty — a measurable, dated way in which the present differs from the conditions that shaped that mechanism; and third, causal evidence linking the two, ideally a dose-response relationship or an experiment, rather than a plausible-sounding correlation. Formally, treat a claim as confirmed only when all three hold at once: $\text{mismatch confirmed} \iff \text{mechanism specified} \;\land\; \text{novelty dated} \;\land\; \text{causal link demonstrated}$. Three modern cases will be run against that…

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