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Equation 16 · Part 2 · The Main Technical Approaches to AI Alignment, Compared

Symbol H

Xt+1  =  Distill(AmplifyH(Xt)),X_{t+1} \;=\; \mathrm{Distill}\big(\mathrm{Amplify}_H(X_t)\big),
HH

What this part means

H is an input to the expression that computes the quantity on the left.

Its job in the formula

H is an input to the expression that computes the quantity on the left.

The passage around this formula

…a hard problem, it never asks any one evaluator to face the hard problem directly. Christiano, Shlegeris, and Amodei describe a scheme they call Amplify: a composite system, written AmplifyH(X)\mathrm{Amplify}_H(X) , “consisting of H and several copies of X working together to solve a problem,” in which H — standing in for a human overseer — breaks a hard question into useful subquestions, has several copies of the current trained agent X answer each subquestion, and then combines the subanswers into a response to the…

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Learn the underlying idea

A function assigns an output to each allowed input. The expression f(x) means “apply f to x”.

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Sources cited in the surrounding passage

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