1. Which statement(s) below would enable one to conclude that x ∈ A ∪ B? (a) x ∈ A and x ∈ B.                                          (b) x ∈ A or x ∈ B. (c) If x ∈ A, then x ∈ B....

1. Which statement(s) below would enable one to conclude that x ∈ A ∪ B?

(a) x ∈ A and x ∈ B.                                          (b) x ∈ A or x ∈ B.

(c) If x ∈ A, then x ∈ B.                                   (d) If x ∉ A, then x ∈ B.

2. Which statement(s) below would enable one to conclude that x ∈ A ∩ B?

(a) x ∈ A and x ∈ B.                                          (b) x ∈ A or x ∈ B.

(c) x ∈ A and x ∉ A\B.                                     (d) If x ∈ A, then x ∈ B.