Expressing x is a Real Number and Not 1: Quick Notation Guide

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Char. Limit
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I was wondering how to express "x is a real number and not 1". What's the best way to express this? Right now I'm using...

[tex]x \epsilon \mathbb{R} \wedge x \neq 1[/tex]

But I'm sure there's a better way.
 

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Char. Limit said:
I was wondering how to express "x is a real number and not 1". What's the best way to express this? Right now I'm using...

[tex]x \epsilon \mathbb{R} \wedge x \neq 1[/tex]

But I'm sure there's a better way.

Use the notation x = R \ {1}
 
chiro said:
Use the notation x = R \ {1}

Got it, thanks!