discrete structure

. 13 " p " represents the - -" The expression" of the conditional statement "p-9 converse inverse O contrapositive o counterexample o : 1 02 31 () 14 in Prolog, the is the prompt given by the Prolog interpreter indicating that it is ready to receive a query 7" question mark semicolon comma dash : 1 02 19 (). / . 15 ?"Which of the following statements is logically equivalent to "wx R(X) x - R(x) O X R(x) - O 3x - R(x) X-R(X) O , 16 ? How can someone read the logical statement "az Q(z)" correctly For some x but not z. Q(z) O For all z. Q(z) O All of x Q(x) O For some z. Q(z) O