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Quick notation question

by strokebow
Tags: notation
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strokebow
#1
Aug21-13, 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 non-integer (not a whole number).

Please help.

Thanks
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arildno
#2
Aug21-13, 12:59 PM
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P: 12,016
For example:
1) [tex]A\in\mathcal{Z}[/tex]
2) [tex]A\notin\mathcal{Z}[/tex]
economicsnerd
#3
Aug21-13, 01:27 PM
P: 248
[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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