Question

8. Let Q(x, y) be the statement "x+y=x-y". If the domain for both variables consists of all integers, what are the truth values? Briefly justify eachanswer. \text { A. } Q(1,1) \text { B. } Q(2,0) \text { C. } \forall y Q(1, y) \text { D. } \exists x Q(x, 2) \text { E. } \exists x \exists y Q(x, y) \text { F. } \forall x \exists y Q(x, y) \text { G. } \exists y \forall x Q(x, y) \text { H. } \forall y \exists x Q(x, y) \text { I. } \forall x \forall y Q(x, y)

Fig: 1

Fig: 2

Fig: 3

Fig: 4

Fig: 5

Fig: 6

Fig: 7

Fig: 8

Fig: 9

Fig: 10