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Equation 2 · Part 3 · Codex vs Claude Code: A Systems Comparison, Not a Benchmark Beauty Contest

Symbol C_j

Aj=(Mj,Cj,Tj,Pj,Ej,Sj,Oj),\mathcal A_j=(M_j,C_j,T_j,P_j,E_j,S_j,O_j),
CjC_j

What this part means

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

Its job in the formula

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

The passage around this formula

Represent a deployed system j as Aj=(Mj,Cj,Tj,Pj,Ej,Sj,Oj)\mathcal A_j=(M_j,C_j,T_j,P_j,E_j,S_j,O_j). where M is model policy, C context and state, T tools and extensibility, P permissions, E execution isolation, S surfaces and handoff, and O organizational controls. Comparing only M discards most of what users buy and most of what defenders must secure.

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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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