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Equation 1 · Standardising the Record: How Writing Became Evidence

What does this equation mean?

fif_i

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the probability that generation i of a copy reproduces a given passage faithfully. Read the equation part by part below; each part has a contextual explanation and a link to its mathematical background.

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fif_i

Symbol f_i

the probability that generation i of a copy reproduces a given passage faithfully.

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subscript

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.

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How to interpret it

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What the article says around this equation

It is tempting to model manuscript transmission as pure decay. If fif_i is the probability that generation i of a copy reproduces a given passage faithfully, then fidelity after n generations of independent copying is

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