Chat with our AI personalities
It is, of course, illogical to have two opposite meanings for the same symbol. However, language does not necessary evolve in a logical way. Human culture is largely unplanned, it just happens. So if different people decide to use the same symbol in different, or even opposite ways, then the symbol will acquire those different or opposite meanings.
You can use any symbol that you like.
what symbol do you use when you automatically want to add a set of numbers together? the plus symbol + ?
Of all the things that an exclamation mark can convey, uncertainty would not be one of them. You may use a question mark to convey uncertainty within or outside of a parenthetical.
symbol