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# Boolean

Booleans are written as in Javascript

```typescript
bool = true
bool = false
```

### Logical operators

```typescript
a = 1
b= 2
bool = a > 0 && b > 0
bool = a > 0 || b > 0
```

### The negotiation

```typescript
bool = !(a > 0)
```

```typescript
bool = true
bool = !bool
bool = not bool
```