Mark each statement True or False. Justify each answer.
(a) (a, b) = (c, d) iff a = c and b = d.
(b) A relation between A and B is an ordered subset of A × B.
(c) A × B = {{a, b}: a ∈ A and b ∈ B}.
(d) A relation is an equivalence relation if it is reflexive, symmetric, and transitive.
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.