*Persuasive paragraph has structural element type if and only if
that persuasive paragraph is some requirement
where structural element type = requirement
or that persuasive paragraph is some recommendation
where structural element type = recommendation
or that persuasive paragraph is some permission
where structural element type = permission.
PermanentFact = False
HiddenFact = False
InternalUniquenessConstraint136
InternalUniquenessConstraint
Each persuasive paragraph has at most one structural element type.