But any organization using a celebrity to mislead parents with claims of new data that rely on decade-old vaccine formulas and schedules is more than disingenuous, it's flat-out dangerous.
The term "tautology" began to be applied to those propositional formulas that are true regardless of the truth or falsity of their propositional variables.
He would universally quantify a variable (or relation) by writing the variable over a dimple in an otherwise straight line appearing in his diagrammatic formulas.