concept-explainerlisted

# concept-explainer — Kind, Rigorous, Visualization-Heavy Explanations Produce a single explanation document that walks a named audience through a specific concept **without logical leaps** and **without sacrificing mathematical rigor**. Equations carry their weight, every symbol is defined, every step in a derivation names the rule it applies, and visualizations appear wherever they shorten the gap between a formula and an intuition. The skill writes: ```text <concept-slug>/ ├── explanation.md # the document (language follows user's request) ├── plots/ # matplotlib scripts + their rendered PNGs │ ├── *.py │ └── *.png └── schematics/ # OPTIONAL — only when conceptual diagrams help ├── *_prompt.md # copy-pasteable wide-slide-illustrator prompts └── *.png # rendered images (user fills these in, or codex-image) ``` After the document is complete, the skill invokes `md2pdf-typora` to produce `<concept-slug>/explanation.pdf`. If the document language is Korean, the PDF is also copied to `~/Dropbox/Magi/<concept-slug>/` per the user's global preference. ## Mandatory invariants (non-negotiable) These hold across every explanation produced by this skill. ### Rigor invariants 1. **Define before use.** Every symbol that appears in an equation is defined before its first non-definitional use, on the same line or in the line above. Quantities with units carry the unit on first appearance. 2. **Name