---
title: The MECE Principle
created: 2025-10-05T11:40:30
modified: 2025-10-05T11:55:29
---

[@mintoMintoPyramidPrinciple2007]

invented by [Barbara Minto](https://www.google.com/search?q=Barbara+Minto)

發音：me-see

= Mutually Exclusive (彼此互斥) + Collectively Exhaustive (完備：相互窮盡)

= 不重疊＋不遺漏

> 1. **Mutually Exclusive:** Information should be grouped into categories so that each category is separate and distinct _without any overlap_.
> 2. **Collectively Exhaustive:** all categories taken together should deal with all possible options _without leaving any gaps_.

根據大腦的三大運作要素（慣性）：

1. 因果關係
2. 歸類分組
3. 關聯思考

…發展而來

所有大腦運作，包含思考、記憶和解決問題，都會經過分類（Grouping）和概括（Summarizing）兩個過程。