Questione giuridica chiave
Whether the constitutional complaint was admissible against a cantonal judgment based on two independent reasons.
Decisione estratta
The complaint was inadmissible because the appellant challenged only one of the two independent grounds supporting the cantonal judgment.
Motivazione estratta
Where a decision rests on two self-sufficient alternative grounds, both must be attacked with specific constitutional arguments; otherwise the judgment stands on the unchallenged ground.