# \#first-principles

**URL:** https://diyrvforum.com/tag/first-principles/112.md

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## [Use Cases and First Principles](https://diyrvforum.com/t/use-cases-and-first-principles/316)

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**Author:** [@Matt](https://diyrvforum.com/u/Matt)\
**Replies:** 2\
**Last updated:** [April 25, 2026, 8:51am UTC](https://diyrvforum.com/t/use-cases-and-first-principles/316 "2026-04-25T08:51:22Z")

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The purpose is to provide a foundation for the Why questions, and getting to First Principles. The detail level is sufficient to justify requirements but also specific enough to define future requirements. “Question yo…

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## [Use Cases & First Principles](https://diyrvforum.com/t/use-cases-first-principles/120)

<div class="topic-metadata">

**Author:** [@Matt](https://diyrvforum.com/u/Matt)\
**Replies:** 0\
**Last updated:** [July 2, 2023, 2:38pm UTC](https://diyrvforum.com/t/use-cases-first-principles/120 "2023-07-02T14:38:44Z")

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The aim here is to establish a basis for addressing the ‘Why’ questions and reaching the First Principles. The level of detail is adequate to justify existing requirements and specific enough to define future ones. “Qu…