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Does a fact have to be known to be a fact? I either do or don't have any nickels in my pocket. Whether or not anyone knows the contents of my pocket I either do or don't have any nickels in my pocket. If they are there it is a fact and if they are not it is still a fact.But yes, for the things we do not know they are opinions.How do we know what is an opinion and what is a fact? I used the neutrino example because there is compelling evidence that it MUST have mass. There is also compelling evidence that it MUST not. The case for both is so strong that each side can rightly say they have proven their case and can rest assured that it is a fact. The same was true about the particle/wave controversy which was solved so abysmally by just saying that light is both a particle and a wave.These are complex issues. But are simple facts any more known and proven? How many assumptions are needed to assert even the simplest of facts?
Does a fact have to be known to be a fact? I either do or don't have any nickels in my pocket. Whether or not anyone knows the contents of my pocket I either do or don't have any nickels in my pocket. If they are there it is a fact and if they are not it is still a fact.
But yes, for the things we do not know they are opinions.
How do we know what is an opinion and what is a fact? I used the neutrino example because there is compelling evidence that it MUST have mass. There is also compelling evidence that it MUST not. The case for both is so strong that each side can rightly say they have proven their case and can rest assured that it is a fact. The same was true about the particle/wave controversy which was solved so abysmally by just saying that light is both a particle and a wave.
These are complex issues. But are simple facts any more known and proven? How many assumptions are needed to assert even the simplest of facts?