Suppose I have two events A and B, and I want to say that exactly one of them will occur.
Which of the following is grammatically correct:
"Exactly one of A or B occurs."
"Exactly one of A and B occurs."
- "Exactly one of A or B occurs." 2. "Exactly one of A and B occurs."
Doing a search for this question online has only led to a multitude of probability theory assignments, in which both options appear.