universal validity, n.All

Universal validity (n.) cannot ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠come from everyone's actually judging alike; to infer 'should' from 'everyone does' is a patent absurdity.