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Equation 11 · Part 1 · Reliable AI Agents Are Control Systems, Not Chatbots

Symbol p_i

pip_i
pip_i

What this part means

pip_i 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

pip_i 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

Single-turn model quality can hide long-horizon fragility. Suppose a task has n dependent stages and each stage succeeds with conditional probability pip_i given that all previous stages succeeded. Then

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Learn the underlying idea

A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.

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Sources cited in the article section

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