Question

Suppose that a is the set of sophomores and b is the set of students in discrete mathematics. express each of these sets in terms of a and b:a)the set of sophomores taking discrete mathematics in your schoolb)the set of sophomores who are not taking discrete mathematicsc)the set of students who either are sophomores or are taking discrete mathematicsd)the set of students who either are not sophomores or are not taking discrete mathematics

Answer 1

a) The students who are members of both sets can be described by

... a ∩ b

b) The students who are members of a but not b can be described by

... a ∩ b'

c) The students who are members of one or both sets can be described by

... a ∪ b

d) The students who are not in one set or not in the other set can be described by

... a' ∪ b' . . . . = (a ∩ b)'