Question

Define the binary relation E on the set of the integers Z, as follows:
for all m,n Z, m E n m-n is even.
a) Is 0E0?
b) Is 5E2?
c) Is (6,6) E?
d) Is (-1,7) E?
e) prove that for any even integer n, nE0.

Answer 1

Answer:

a is correct answer......