(a) Let A = [0,1] and B = [0,1] U[2,3]. Plot the graphs of A × A and B × B on the plane. (b) Suppose A, B are non-empty
Posted: Wed Jul 06, 2022 11:45 am
(a) Let A = [0,1] and B = [0,1] U[2,3]. Plot the graphs of A × A and B × B on the plane. (b) Suppose A, B are non-empty sets, and A × B = B × A, what can be said about the two sets?