1.

17. Let A and B be two sets. Show that f: A X Bà B XA such that f(a, b) = (b, a) is a bijectivefunction.

Answer» 17. Let A and B be two sets. Show that f: A X Bà B XA such that f(a, b) = (b, a) is a bijectivefunction.


Discussion

No Comment Found