What logical operator represents a biconditional statement?

A biconditional statement is one that expresses a relationship between two statements where both statements are either true or false together. This is denoted by the logical operator "if and only if," which is represented by the symbol ↔.

In a biconditional statement, for instance, "P if and only if Q," it means that P is true precisely when Q is true and vice versa. This operator captures this equivalence, ensuring that the truth of one statement directly correlates with the truth of the other. Therefore, the correctness of the choice arises from the principle that biconditional statements assert a mutual dependency between two propositions.