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David Carlisle wrote:
>>I've never heard of those...
>>
>>
>
>I take it you are not a mathematician.
>
>I don't read Arabic (or Hebrew or Russian or Chinese or several other
>languages that don't use a latin alphabet), so I wouldn't
>comment on the usability of the symbols used in those languages.
>mathematics uses a very rich alphabet, perhaps you don't read
>mathematics, which is fine, but in that case you probably shouldn't
>comment on the usability of its alphabet.
>
>
>for example
>
>http://www.unicode.org/charts/PDF/U2200.pdf
>
>(the upside down A for "forall" is the first character on that chart)
>
>
>
>
>>it's not so much about like or dislike... but rather doing markup in such
>>a way that the xml can easily handle what we do most...
>>
>>
>
>It's odd that you should say that as I thought you were proposing a data
>format that looked a bit like XML but unable to be read by XML parsers
>due to unescaped &'s?.
>
>
>
>>and for many that is transporting business data around the place.
>>
>>
>
>the original poster gave no indication that was what he was doing.
>It was a perfectly reasonable question.
>he had used LOGICAL AND and LOGICAL OR (which by the way look like ^ and
>v more or less) presumably in a mathematical expression and was looking
>for the not operator so searched for it (in vain) under the name
>LOGICAL NOT which wasn't a bad guess. But the Unicode names of
>characters (even characters used for expressing logic) have more to do
>with history than logic and so this character is called NOT SIGN
>so he didn't find it, hence the posted question.
>
>
it always existed in ebcdic so i would have been very surprised if it
couldn't be found.....
>David
>(Co chair of the W3C Math Interest Group, and co editor of the MathML
>spec, so I have an interest in using Mathematical symbols in XML
>documents:-)
>
>
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