Which of the following is a true statement about correctness?(1 point)

Responses

Correctness cannot be shown through mathematical proof.
Correctness cannot be shown through mathematical proof.

Correctness can be shown by testing many possible input values.
Correctness can be shown by testing many possible input values.

Correctness can be shown without identifying specifications.
Correctness can be shown without identifying specifications.

Correctness can be shown through formal logic.