[Libreoffice] New symbol in Math ?

[Regina Henschel]

Hi,

(and now to the list and not only to Oliver. I hate this mailing list 
settings)

Olivier Hallot schrieb:
> Hi
> Just a simple question on adding new math symbols to LO Math.
>
> In a recent post in the info list, a professor asked to add the symbol
>
> ∄	
> 	non exist
>
>   Unicode symbol: U+2204 THERE DOES NOT EXIST ∄
>
> to Math elements windows.
>
> However, it looks like Math formulas are based on MathML 2.0
>
> http://www.w3.org/TR/MathML2/chapter4.html#contm.exists

LO doesn't use Content markup but Presentation Markup. As far as I 
understand it, you can put ∄ into a mo-element.

>
> and no mention to "There does not exists".

I think it is in the dictionary as "∄"

http://www.w3.org/TR/MathML2/appendixf.html#oper-dict.entries

>
> Shall I imply that implementing this symbol will break the ODF Standard,
> and therefore should not be implemented?

I'm more concerned about the annotation, which has encoding="StarMath 5.0".

Kind regards
Regina