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s4h-historical-lesson-extraction

Extracts the transferable principle from a specific historical case — separating the contingent surface details from the underlying rule that applies across contexts. TRIGGERS: 'what's the lesson', 'extract the lesson', 'what should we learn from this', 'generalise from this case', 'apply this to our situation'.

skills/s4h-historical-lesson-extraction/SKILL.md

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# Historical Lesson Extraction

Every case contains multiple lessons. Most people extract the wrong one — the surface
action rather than the underlying principle. "They moved fast" is not a lesson. "Speed
of iteration was decisive because the cost of a wrong assumption exceeded the cost of
an incomplete product, making information the binding constraint" is a lesson. This
skill separates what happened from why it happened, and from that derives a principle
that transfers to contexts the original case never anticipated.

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## Your Process

**Step 1: Describe the Case**
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