Root First Then Branch / Inside-Out Rule
Updated 2026-08-10
INTRODUCTION
English translation pending.
CORE DEFINITION
A principle from systems thinking and Chinese medical reasoning, expressed as attending to the root before the branch. The core proposition is that in a system with limited resources, effort applied to the driving cause produces more change than the same effort applied to surface symptoms. The key qualification is that symptoms sometimes must be contained first when they are immediately dangerous, so the ordering is a default rather than an absolute rule.
SCAFFOLDING EFFECT
Reduce cognitive load
- Cause ranking: separate symptoms from the underlying drivers before allocating effort. - Resource shift: push effort toward the root cause rather than the visible symptom. - Containment floor: handle the branch at minimum cost while the root is being fixed.
Anchor fast decisions
Symptoms are outputs of the system, so treating them leaves the generating mechanism intact and the symptom returns. The root cause sits upstream, where a single change propagates through many downstream effects. Because resources are finite, spending them on the branch leaves nothing for the cause, and the system regenerates the problem indefinitely.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- zh.wikisource.orghttps://zh.wikisource.org/wiki/%E6%B7%AE%E5%8D%97%E5%AD%90/%E6%B3%B0%E6%97%8F%E8%A8%93verified
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