Equation 1 · Part 5 · A History of Anthropic and the Claude Model Line
subscript
subscript
What this part means
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.
Its job in the formula
A subscript distinguishes a version, component, step, or member of a quantity. It does not automatically mean multiplication.
Full expression→subscript→Article meaning
The passage around this formula
The policy’s structure is what makes it useful to state formally, because its core mechanism is a conditional commitment rather than a fixed rule. Anthropic defines AI Safety Levels (ASL), each tied to a capability threshold on a specific class of risk — most concretely, the potential for a model to meaningfully assist in acquiring chemical, biological, radiological, or nuclear weapons capability, or to self-exfiltrate or resist correction. The policy’s operating logic, stripped to its structural claim, is a threshold trigger: . where C() is the model’s evaluated capability on a specific threat class, is the threshold defining ASL level k , and is…
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.
Open the illustrated subscripts: which member of a family? guide →
Sources cited in the article section
These citations provide research context; check each source for the exact claim it supports.