Equation 5 · Humanity Has Always Been a Human–Technology System
What does this equation mean?
Read the formula alongside the article passage below. Each part has a deeper page with its role in the equation, the supporting passage and nearby citations.
transformation or transmission from variant i to j. Read the equation part by part below; each part has a contextual explanation and a link to its mathematical background.
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subscript
The lower label selects a particular version, component, or indexed member of the quantity. For example, x₀ and xₜ can be values at different positions.
How to interpret it
Read this expression with the definitions, units, and assumptions supplied by the article.
What the article says around this equation
where is context-dependent cultural fitness and represents transformation or transmission from variant i to j . The equation is illustrative, not a claim that beliefs have fixed genes or that cultural change is reducible to one replicator law. Unlike alleles, cultural variants can be intentionally modified, horizontally transmitted, blended, externally stored, and adopted because of prestige, conformity, coercion, or institutional mandate.
Sources cited in the article section
- [1] Cultural learning ↗
- [3] The cultural niche: Why social learning is essential for human adaptation ↗
- [2] How culture shaped the human genome: bringing genetics and the human sciences together ↗
These citations give research context. Read each source to check which claims it supports.
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