but you can't! are you personally able to verify the results of every scientific investigation ever performed? think about what's currently happening in psychology. loads of old foundational studies have been found to be irreproducible. and yet people had faith that they were conducted honestly and appropriately
that's not true. there are things that are not definitions. like my bed for instance, there are aspects that are arbitrary (my personal preferences, design choices, etc) and aspects that are not arbitrary (its physical form that exists beyond definition)
yes but translation from evidence to what caused the evidence to exist requires assumptions, like the fact that trig works. I'm not saying assumptions are bad, just that they should be acknowledged
facts actually are very difficult to define. imagine telling an alien about the fact that people stop at stop signs, when the alien potentially has never seen a road, car, or stop sign
my point was more broad. most products are design based on what the "market" wants, instead of what the individual making it wants. thus results in a diluted product that does too many things and all poorly
absolute scales are still arbitrary. you would probably want to use a scale that measures "perceived heat" which is different than average kinetic energy
but you can't! are you personally able to verify the results of every scientific investigation ever performed? think about what's currently happening in psychology. loads of old foundational studies have been found to be irreproducible. and yet people had faith that they were conducted honestly and appropriately