Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M7275

Dichotomy / Binary Division

Dichotomy / Binary Division
StructureHigh supportLogic
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

Dividing the whole into two mutually exclusive and exhaustive parts, and applying binary division layer by layer until the target is located.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Efficient location. Each binary division eliminates half of the possibilities, making it an efficient strategy for search and diagnosis.

anchor

Anchor fast decisions

Based on a certain attribute, divide the set into two mutually exclusive and collectively exhaustive (MECE) subsets, and recursively apply to quickly narrow down the scope and locate the target.

MINIMUM ACTION

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Practice this model in one real situation:

Check to track your progress (stored locally)
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Source support: Explicit

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    zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E4%BA%8C%E5%88%86%E6%B3%95ZH · Explicit
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