Question

not sure why I am asking this?

Answer 1

help:)

Answer 2

what do you know

Answer 3

hey @rational can you do this one?

Answer 4

not sure,
it doesnt look symmetric to me

Answer 5

for the relation to be symmetric :
(a, b)~(c, d) and (c,d)~(a, b) must hold

however
(1,1)~(100,100) , but (100, 100)~(1, 1) does not hold