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### Boolean

#### Synopsis

    type
      Boolean = (False, True); { built-in type }

#### Description

The intrinsic `Boolean` represents boolean values, i.e. it can only assume the two values `True` and `False` (which are predefined constants).

#### Conforming to

`Boolean` is defined in ISO 7185 Pascal and supported by all known Pascal variants.

#### Example

    program BooleanDemo;
    var
      a: Boolean;
    begin
      a := True;
      WriteLn (a)
    end.

#### See also

Boolean (Intrinsic), True, False, CBoolean, ByteBool, ShortBool, MedBool, WordBool, LongBool, LongestBool.