Question

Determine whether the relation R on the set of all integers is reflective, symmetric, antisymmetric, and/or transitive, where (x,y) E
Rif and only if
a.
x+y (1 mark)
b.
xy 2 1 (1 mark)
c= y + 1 or x = y - 1 (1 mark)
d.x is a multiply of y (1 mark)
e.x and y are both negative or both nonnegative (1 mark)

Answer 1

Answer:

every thing is true but d.x is not a multiple of y