![]()  | Logical | 
![]()  | Logique | 
IfcLogical_IfcSimpleValue) cannot directly include simple types in its select list). Logical datatype can have values TRUE, FALSE or UNKNOWN._
Type: LOGICAL
HISTORY New type in IFC2x.
 <xs:simpleType name="IfcLogical">
  <xs:restriction base="ifc:logical"/>
 </xs:simpleType>
TYPE IfcLogical = LOGICAL;
END_TYPE;
  References: IfcRelInterferesElements
IfcBSplineCurve
IfcBSplineSurface
IfcCompositeCurve
IfcOffsetCurve2D
IfcOffsetCurve3D
IfcMaterialLayer
IfcSimpleValue
IfcPresentationLayerWithStyle
IfcShapeAspect