A parametric-constraint is a constraint whose constraint.expression contains no variables. It's called parameteric because the the things being constrained are parameters, rather than properties of objects.
(<=> (Parametric-Constraint ?Constraint) (And (Constraint ?Constraint) (Value-Type ?Constraint Constraint.Expression Ground-Sentence) (Value-Cardinality ?Constraint Constraint.Expression 1)))
(Constraint ?Constraint)
(Exhaustive-Subclass-Partition Constraint (Setof Parametric-Constraint Object-Constraint)) (<=> (Parametric-Constraint ?Constraint) (And (Constraint ?Constraint) (Value-Type ?Constraint Constraint.Expression Ground-Sentence) (Value-Cardinality ?Constraint Constraint.Expression 1))) (<=> (Satisfied-Constraint ?Constraint) (And (Parametric-Constraint ?Constraint) (Value-Type ?Constraint Constraint.Expression Truth) (Value-Cardinality ?Constraint Constraint.Expression 1)))