Pretty rule, but it has not happened in Catalonia. And what the rule says is that it will spread, not that is enough to declare independence of a territory whe

Pretty rule, but it has not happened in Catalonia. And what the rule says is that it will spread, not that is enough to declare independence of a territory when 60% of the population is against it. When the percentage is 60% or more, we can start talking about inevitability