Please answer the 5 questions

which one is a contradiction? p(qp)(pq)q((pq)(pq))p(pq) Question 2 (0.25 points) True or False: If the domain of x and y is integer numbers, then xy(xy>0x+y >0). True False True or False: If the domain of x and y is integer numbers, then xy(xy>0x+y >0 ). True False Question 3 (0.5 points) True or False: If the domain of x and y is integer numbers, then xy(x>y(x2