Correct. Rewording this as an "if-then" statement, you find "if x = 0, 1, 2, or -5, then x belongs to the set of integers." The statement "if x belongs to the set of integers, then x = 0, 1, 2, or -5" is not consistent with the original statement (and it is not true, since it implies that there are only four integers: 0, 1, 2, and -5!).