Let S = {0, 1, 2, 3, 4}. Let R be the binary relation on S such that aRb if and only if a + b = 3 and a ≤ b.
(a) Write this relation down as a subset of the Cartesian product S x S.
I believe this is R = {(0, 3), (1, 2)}.
(b) What is the adjacency matrix of this relation?
Adjacency...