 valid in all places, they'd be recognized in all places. But the first person, by disagreement, indicate that they cannot be true. The very presence of disagreement marks the absence of truth. And as you've seen, what I have to do is record my own disagreement with that proposition. And by its own terms, that's enough for the thing to dissolve, come apart. I record my own disagreement with the proposition that disagreement marks the absence of truth.