Set Theory Symbols - Sheet1 (1) Flashcards
(37 cards)
1
Q
{}
A
Set
2
Q
|
A
Such that
3
Q
A⋂B
A
Intersection
4
Q
A⋃B
A
Union
5
Q
A⊆B
A
Subset
6
Q
A⊂B
A
Proper subset
7
Q
A⊄B
A
Not subset
8
Q
A⊇B
A
Superset
9
Q
A⊃B
A
Proper superset
10
Q
A⊅B
A
Not superset
11
Q
2A
A
Power set
12
Q
P(A)
A
Power set
13
Q
ℙ(A)
A
Power set
14
Q
A=B
A
Equality
15
Q
Ac
A
Complement
16
Q
A’
A
Complement
17
Q
A\B
A
Relative complement
18
Q
A-B
A
Relative complement
19
Q
A∆B
A
Symmetric difference
20
Q
A⊖B
A
Symmetric difference
21
Q
a∈A
A
Element of
22
Q
x∉A
A
Not element of
23
Q
(a
A
b)
24
Q
A×B
A
Cartesian product
25
|A|
Cardinality
26
#A
Cardinality
27
|
Vertical bar
28
ℵ0
Aleph-null
29
ℵ1
Aleph-one
30
Ø
Empty set
31
Universal set
Universal set
32
ℕ0
Natural numbers
33
ℕ1
Natural numbers
34
ℤ
Integer numbers set
35
ℚ
Rational numbers set
36
ℝ
Real numbers set
37
ℂ
Complex numbers set
