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Part 2 §7: Sets

Set theory notation

14 entries· Edition 2019FR→ About Part 2
2-7natural numbers
14
2-7.1
natural numbers N
the set of natural numbers, + the set of positive integers and zero
2-7.2
set of integers Z
the set of integers
2-7.3
set of rational numbers Q
the set of rational numbers
2-7.4
set of real numbers R
the set of real numbers
2-7.5
set of complex numbers C
the set of complex numbers
2-7.6
set of prime numbers P
the set of prime numbers
2-7.7
closed interval [ a , b \ ]
closed interval from included to included
2-7.8
left half-open interval ( a , b \ ]
left half-open interval from excluded to included
2-7.9
right half-open interval [ a , b )
right half-open interval from included to excluded
2-7.10
open interval ( a , b )
open interval from excluded to excluded
2-7.11
closed unbounded interval ( − ∞ , b \ ]
closed unbounded interval up to included
2-7.12
open unbounded interval ( − ∞ , b )
open unbounded interval up to excluded
2-7.13
closed unbounded interval [ a , + ∞ )
closed unbounded interval onward from included
2-7.14
open unbounded interval ( a , + ∞ )
open unbounded interval onward from excluded
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