A representation by .ifc_rep_criteria. requires the ^existence:absence_or_presence^ of .logic_entity. in the business logic

Usages:

• Then A representation by .IfcSegmentedReferenceCurve. requires the ^presence^ of .IfcAlignmentCant. in the business logic

  ALB021 Alignment overall agreement of business logic and geometry - v2:14

• Then A representation by .IfcGradientCurve. requires the ^presence^ of .IfcAlignmentVertical. in the business logic

  ALB021 Alignment overall agreement of business logic and geometry - v2:17

• Then A representation by .IfcCompositeCurve as Axis. requires the ^absence^ of .IfcAlignmentVertical and IfcAlignmentCant. in the business logic

  ALB021 Alignment overall agreement of business logic and geometry - v2:20

• Then A representation by .IfcGradientCurve. requires the ^absence^ of .IfcAlignmentCant. in the business logic

  ALB021 Alignment overall agreement of business logic and geometry - v2:23