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Equation 11 · How xAI's Infrastructure Build Compares to the Rest of the Field

What does this equation mean?

ΔC\Delta C

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ΔC\Delta C

Symbol Δ C

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

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change

change

Capital delta attached to a quantity marks a difference between two values of that quantity; the article’s sign convention determines the order.

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What the article says around this equation

whenever it takes the faster, costlier, more legally exposed route over the slower, cheaper, better-permitted one. The model does not say what s should be; it says xAI’s revealed choice implies a large s , while Microsoft’s and Amazon’s choice of decade-long nuclear contracts implies a smaller s , a larger effective Δ\Delta C once reputational and regulatory exposure are priced in, or both. This is an interpretive frame for documented behavior, not a computation — none of these companies have disclosed the figures that would let anyone solve for s , and none are asserted here.

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