
#1
Aug2113, 12:46 PM

P: 101

Hi,
I want to be able to say the following with mathematical symbols; 1) A is any integer. 2) A is a noninteger (not a whole number). Please help. Thanks 



#2
Aug2113, 12:59 PM

Sci Advisor
HW Helper
PF Gold
P: 12,016

For example:
1) [tex]A\in\mathcal{Z}[/tex] 2) [tex]A\notin\mathcal{Z}[/tex] 



#3
Aug2113, 01:27 PM

P: 205

[itex]A[/itex] is an integer: [itex]A\in\mathbb Z[/itex].
[itex]A[/itex] is not an integer: [itex]A\notin\mathbb Z[/itex]. [itex]A[/itex] is a real number which is not an integer: [itex]A\in\mathbb R\backslash\mathbb Z[/itex]. [itex]A[/itex] is not a whole number: [itex]A\notin\mathbb Z_+[/itex]. 


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