Equation 8 · Part 2 · From Autocomplete to Delegation: The Technical History Behind OpenAI Codex
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 the model policy chooses an action, environment E executes it against state , and the result becomes the next observation. This closes a feedback loop absent from one-shot completion.
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
- [8] ReAct: Synergizing Reasoning and Acting in Language Models ↗
- [9] Toolformer: Language Models Can Teach Themselves to Use Tools ↗
These citations provide research context; check each source for the exact claim it supports.