# boolean

The boolean keyword denotes a simple basic type consisting of two distinguished values namely true or false.

- A Boolean expression containing logical operators (and, not, or, xor) shall resolve to a value of type Boolean.

Related keywords:

- and
- not
- or
- xor
- true
- false
- ischosen
- ispresent

### boolean

Example 1:

const boolean c_I_can_read_this := true;

The constant defined is called c_I_can_read_this and has the value true.

BNF definition of boolean
BNF definition of boolean value