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Equation 57 · How Fast Can a Horizon Learn Which Path You Took?

What does this equation mean?

TreceiptT_{\rm receipt}

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TreceiptT_{\rm receipt}

Symbol T_rm receipt

TrT_rm receipt 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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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

The receipt failure. If the value of TreceiptT_{\rm receipt} changes without convergence as the admissible future-control family is enlarged, the new clock is not robust. It should be reported as protocol-relative or abandoned, not promoted as a property of the horizon.

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