Knowledge

Why is it important to know the truth and falsity of a proposition?

Comments

Because sometimes your life depends on it. (E.g., there is a monster under the bed, or there is a panther behing that tree, or that guy is going to turn left right in front of my car.)

Also because you want to know what the world is like (even when your life doesn't depend on it) and only true propositions tell you that. To have any beliefs at all is to manifest an interest in the truth and falsity of propositions.

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