# Fifteen fundamental properties

> Christopher Alexander가 The nature of order에서 제시한 15가지 근본 속성

<Christopher Alexander>가 <The nature of order>에서 제시한 15가지 근본 속성

## Properties

### 1. Levels of scale

…

### 2. Strong centers

…

### 3. Boundaries

…

### 4. Alternating repetition

…

### 5. Positive space

…

### 6. Good shape

…

### 7. Local symmetries

…

### 8. Deep interlock and ambiguity

…

### 9. Contrast

…

### 10. Gradients

…

### 11. Roughness

…

### 12. Echoes

…

### 13. The void

…

### 14. Simplicity and inner calm

…

### 15. Not-separateness

…

## See also

- <Recursive process>
- <Systems theory>