It‘s not more trivial than „Reality is that which, when you stop believing in it, doesn’t go away.“ which is a useless criterion even for scientific facts. Wha

It‘s not more trivial than „Reality is that which, when you stop believing in it, doesn’t go away.“ which is a useless criterion even for scientific facts. What you‘re suggesting about a false belief is an „unknown unknown“ so again the criteria of the quote is pretty useless in practice.