# truth (epistemic)

A parameter whose window is narrower than the model it represents, such that the model stays within the bounds of what can persist.

- Computed level: L10 (depth in the emergence graph, not abstraction)
- Status: review  ·  Domain: epistemology  ·  Arena: conceptual

## Emergence
**Emerges from:** [window](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-window.range), [parameter](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-parameter.condition), [model](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-model.representation), [boundary](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-boundary.limit), [persist](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-persist.continue), [narrow](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-narrow.spatial)

**Through:** parameter.condition and model.representation interact such that the narrow.spatial constraint on window.range enforces boundary.limit, ensuring the model persists within viable bounds.

**Novel properties:**
- constrained fidelity
- bounded persistence
- representational restraint

## Examples
- The LIGO interferometer maintains vacuum pressure below 1e-9 atm to prevent photon scattering during gravitational wave detection. *(physics)*
- The human kidney regulates blood pH within 7.35–7.45 despite dietary acid loads. *(biology)*
- The Python 2.7 end-of-life date was set for January 1, 2020, after which no further security patches were issued. *(computing)*

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*Canonical: https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-truth.epistemic*  
*Structured data: https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-truth.epistemic.json*  
*Every definition provably resolves to space, time, energy and pattern.*