Exercise 3.1.5: Expressing sets in set builder notation. About
Express each set using set builder notation. Then if the set is
finite, give its cardinality. Otherwise, indicate that the set is
infinite. PLEASE show some explanation how you got answer.
Thanks!
(a)
{-2, -1, 0, 1, 2}
(b)
{ 3, 6, 9, 12, .... }
(c)
{ -3, -1, 1, 3, 5, 7, 9 }
(d)
{ 0, 10, 20, 30, ...., 1000 }
Exercise 3.2.4: A subset of a...