7. Write down a quantified expression over some domain to represent each of the following expressions. (4 points each)

a. p (0) ? p(1) ? p(2)

b. p(0) ? p(1) ? p(2)

c. p (a,y) ? p(b,y)

d. p(x,0) ? p(x,1) ? p(x, 2) ? .