It occurs to me, that even though gaslighting is certainly too strong a word, there ought to be a word for this: making a statement of the definition of how it

It occurs to me, that even though gaslighting is certainly too strong a word, there ought to be a word for this: making a statement of the definition of how it should work, and using it as proof that's self-evidently how it actually works. I feel like I see it a lot. Some typical phrases used as evidence for the ideal they represent: "Representatives protect the interests of their constituents". "Judges base their decisions on facts and the rule of law". "Newspapers cover those topics which are deemed to be interesting to their readers". "A balanced portfolio invests in diverse stocks and bonds to reduce volatility".