Aspects of this topic are discussed in the following places at Britannica.
Besides falsity, questions can exhibit an even more drastic sort of “impropriety.” They can be illegitimate in that they have no possible answers whatsoever (example: “What is an example of an even prime number different from two?”). The logic of questions is correspondingly three-valued: a question can be true (i.e., have a true answer), illegitimate...
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