Remarks on Operations of Sets Flashcards
1
Q
A u A
A
A
2
Q
A u ∅
A
A
3
Q
U ∪ ∅
A
U
4
Q
A ∪ U
A
U
5
Q
A ∪ A’
A
U
6
Q
A ∪ A
A
B u A
7
Q
A ∩ A
A
A
8
Q
A ∩ ∅
A
∅
9
Q
U ∩ ∅
A
∅
10
Q
A ∩ U
A
A
11
Q
A ∩ A’
A
∅
12
Q
A - B
A
A
13
Q
A - ∅
A
A
14
Q
U - ∅
A
U
15
Q
U - A
A
A’
