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Equation 6 · Part 1 · How Do We Actually Know a Safety Measure Worked?

Symbol N

NN
NN

What this part means

N is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Its job in the formula

N is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

The passage around this formula

…things, and none of the three would have found what the others did. It would distinguish, in the same sentence, a production side-effect metric like a refusal-rate change from a red-team failure count like “no bypass in N hours” from a field-incident count, because these are different kinds of evidence and the rule-of-three bound only meaningfully applies to the second, and only once independent attempt counts, not hours, are disclosed. And it would treat a clean result as provisional rather than final, on a…

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A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.

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