RULE
Basics
In UBIK, a rule is a special object that can be applied to a MetaProperty on a MetaClass, in order to restrict the possible values of user input at a derived BaseProperty of a ContentClass.
In UBIK, a rule is a special object that can be applied to a MetaProperty on a MetaClass, in order to restrict the possible values of user input at a derived BaseProperty of a ContentClass.
