>[!warning]
>This content has not been peer reviewed.
# Grand Map (complexity scale) — RST application
**Synthesis of the Total ontology:** One plot that ties the five pillars — thermodynamics, information, fractal geometry, dynamics, intelligence — by showing **effective fidelity $\mu$** from Planck to biological scale. As scale increases, systems (life) can **invest** energy to suppress local noise (Free Energy Principle); so $\mu$ does not stay flat but **rises** in the biological regime. This is an **RST application** (our model of $\eta_{\mathrm{eff}}(\ell)$ with a life boost), not an established fact; the script and note live here under **further applications**.
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## I. Mapping
| Scale | Regime | RST reading |
|:---|:---|:---|
| Planck, atomic, molecular | Passive | Substrate delivers $\mu(\eta,n)$ with environmental $\eta$; no active inference. |
| Cellular, organism | Active | Life minimises prediction error (Friston) → lowers effective $N$ → raises $\eta_{\mathrm{eff}}$ → higher $\mu$. Same curve $\mu(\eta,n)$, but $\eta$ is **actively** raised. |
The script **[[Grand Map - Code]]** (`rst_grand_map_complexity_scale.py`) implements a smooth model: $\eta_{\mathrm{eff}}(\ell) = \eta_{\mathrm{passive}} \times (1 + \mathrm{life\_boost} \times \mathrm{sigmoid}(\ell))$ so that at large $\ell$ (cellular, organism) $\mu$ rises. Physical anchors: Planck, Bohr, molecule, cell, organism (SI lengths).
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## II. Why this is in further applications
- **Knowledge** (expanded theory/knowledge/) = established results only; we don't make knowledge up.
- The **complexity-scale plot** is our **RST synthesis** (a model of how $\eta$ varies with scale), so it belongs in **further applications** with its script in this folder.
- The **knowledge index** and Total ontology text link *to* this application for the plot; they don't host the script.
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## Links
- **Code:** [[Grand Map - Code]]
- **Knowledge index (Total ontology):** [[expanded theory/knowledge/Knowledge index]]
- **Friston (established fact):** [[expanded theory/knowledge/Agents minimize the difference between model and sensation]]
- **Roadmap:** [[../../Applications Roadmap]]