In the traditional square of opposition, if the A proposition is true, then which proposition(s) must be false?

Question

Quizplus · Accepted Answer

According to the square of opposition, if the universal affirmative proposition (A) is true, then the particular negative proposition (O) and the universal negative proposition (E) must be false. Therefore, the best choice is D, which includes both E and O as propositions that must be false if A is true.

In the Traditional Square of Opposition, If the a Proposition