Must Do Better Right. Can they both frame assertions? I would say so. — J
A. It's true that
B. It's possible that
Some philosophers would say that anytime a person asserts a proposition (P), whether by speech, writing, road sign, stern glare, blanket handing, etc, that "P" means the same thing as "It's true that P." This is redundancy theory, or just redundancy. There are those who deny this. They think there's some subtle difference between the two, although I can't remember what their point is. Scott Soames mentions this in
Understanding Truth.
If I assert that it's possible that you're cold, the proposition is that
it's possible that you're cold. By redundancy reasoning, this is the same as saying "It's true that it's possible that you're cold."
Are you pointing to the ambiguity that may be there with communication, especially nonverbal? If so, I was just thinking about that yesterday, and by way of meaning as use, this is one of the ways a person can shape a social situation. Let's say you issue an insult in my direction, but it's unclear if you're joking or serious. I can shape things by my reaction. If I laugh and say "That's so true." then the ball is back in your court for what you really meant. You may have been serious, but now you're willing to let it go, so you laugh as well, and it was officially a joke. Wittgenstein's Group Dynamics.