A student wrote the following proof. Evaluate the student’s answer. A.
The student showed proof by contrapositive correctly.
B.
The student did not show proof by contrapositive correctly; the assumption was not made correctly.
C.
The student did not complete the proof correctly; the proof did not show that ~q -> ~p.
D.
The student did not show proof by contrapositive correctly; the proof did not use the proper definitions.