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Equation 2 · Part 1 · What Claude Code's Permission Model Actually Allows, in Plain Terms

Symbol D

DD
DD

What this part means

D 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

D 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

The precedence is simple enough to state directly. For a tool call c checked against the deny set D , the ask set A , and the allow set W :

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Learn the underlying idea

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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Sources cited in the article section

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