1. Let A, B be the open sentences written below, involving an integer number n. In both cases,

write the contrapositive and the converse of the proposition A ) B. Then decide if the

contrapositive and the converse are true or false (with short explanations why).

(a) (2 points) A is the open statement 2 is strictly positive" and B is the open statement

is strictly positive".

(b) (2 points) A is the open statement 2