Question 40 5 pts Over the set of all integers, the complement of the set of integers greater than 5 is O the set of integers greater than or equal to five O the set of integers less than S5 the set of all integers except 5 O the set of integers less than or equal to 5 D Question 41 5 pts An existence proof by contradiction is constructive. O True False 5 pts DI Question 42 To prove a proposition is true, it is adequate to p?ove the contrapositive of the proposition is true. True O False