According to the law of excluded middle :
2020
According to the law of excluded middle :
- A.
A proposition could be true and false simultaneously
- B.
A proposition is either true or false
- C.
A proposition is true if it is true
- D.
A proposition is neither true nor false
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Correct answer: B
The law of excluded middle states that a proposition is either true or false; it cannot be neither true nor false in classical logic.