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    Set theory symbols

    List of Set theory symbols
    Source: https://www.rapidtables.com/math/symbols/Basic_Math_Symbols.html#lnkset
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Symbol: A×B
Symbol Name: cartesian product
Meaning / definition: set of all ordered pairs from A and B
Example:  
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Symbol: │A│
Symbol Name: cardinality
Meaning / definition: the number of elements of set A
Example: A={3,9,14}, │A│=3
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Symbol: #A
Symbol Name: cardinality
Meaning / definition: the number of elements of set A
Example: A={3,9,14}, #A=3
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Symbol:
Symbol Name: vertical bar
Meaning / definition: such that
Example: A={x│3<x<14}
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Symbol:
Symbol Name: aleph-null
Meaning / definition: infinite cardinality of natural numbers set
Example:  
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Symbol:
Symbol Name: aleph-one
Meaning / definition: cardinality of countable ordinal numbers set
Example:  
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Symbol: Ø
Symbol Name: empty set
Meaning / definition: Ø = { }
Example: C = {Ø}
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Symbol: mathbb{U}
Symbol Name: universal set
Meaning / definition: set of all possible values
Example:  
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Symbol: mathbb{N}0
Symbol Name: natural numbers / whole numbers  set (with zero)
Meaning / definition: mathbb{N}0 = {0,1,2,3,4,...}
Example: 0 ∈ mathbb{N}0
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Symbol: mathbb{N}1
Symbol Name: natural numbers / whole numbers  set (without zero)
Meaning / definition: mathbb{N}1 = {1,2,3,4,5,...}
Example: 6 ∈ mathbb{N}1
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Symbol: mathbb{Z}
Symbol Name: integer numbers set
Meaning / definition: mathbb{Z} = {...-3,-2,-1,0,1,2,3,...}
Example: -6 ∈ mathbb{Z}
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Symbol: mathbb{Q}
Symbol Name: rational numbers set
Meaning / definition: mathbb{Q} = {x x=a/b, a,bmathbb{Z}}
Example: 2/6 ∈ mathbb{Q}
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Symbol: mathbb{R}
Symbol Name: real numbers set
Meaning / definition: mathbb{R} = {x │ -∞ < x <∞}
Example: 6.343434∈mathbb{R}
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Symbol: mathbb{C}
Symbol Name: complex numbers set
Meaning / definition: mathbb{C} = {z z=a+bi, -∞<a<∞,      -∞<b<∞}
Example: 6+2imathbb{C}
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