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# ToBoolean

Converts value to boolean type

```mathematica
ToBoolean(1) → true
ToBoolean("no") → false
```

#### Inputs

`ToBoolean(value, [replaceInvalidWith])`

* `value` - A value to convert into boolean
* `[replaceInvalidWith]` - **\[optional**: null by default\*\*]\*\* - invalid values will be replaced with this parameter

#### Description

We support the following text values (registered independent):

* 'true', 't', 'yes', 'y', 'on', '1' return true
* 'false', 'f', 'no', 'n', 'off', '0' return false