Columbia subject headings:
Canada. Canadian Charter of Rights and Freedoms.
Constitutional law--Canada.
Ex post facto laws--Canada.
Law--Canada--Interpretation and construction.
Rule of law--Canada.
Vagueness (Philosophy)
Harvard subject headings:
Canada. Canadian Charter of Rights and Freedoms
Constitutional law--Canada
Judicial review--Canada
Law--Canada--Interpretation and construction.
Legal certainty.
Rule of law--Canada.
Princeton subject headings: