Equation 5 · Part 2 · Reliable AI Agents Are Control Systems, Not Chatbots
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
where is retained working state and g is the task objective. A tool translates the proposed action into an environmental transition; the environment returns evidence; and an evaluator determines whether the evidence supports continuing, replanning, escalating, or stopping. The policy may be a frontier model, but the agent is the entire closed loop.
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
- [3] Building effective agents ↗
- [7] ReAct: Synergizing Reasoning and Acting in Language Models ↗
- [8] Toolformer: Language Models Can Teach Themselves to Use Tools ↗
These citations provide research context; check each source for the exact claim it supports.